April is the fourth month of the year in the Gregorian and Julian calendars. It is the first of four months to have a length of 30 days, and the second of five months to have a length of less than 31 days. April is commonly associated with the season of

autumn Autumn, also known as fall in American English and Canadian English, is one of the four temperate seasons on Earth. Outside the tropics, autumn marks the transition from summer to winter, in September ( Northern Hemisphere) or March ( Sou ...

in parts of the Southern Hemisphere, and

spring Spring(s) may refer to: Common uses * Spring (season) Spring, also known as springtime, is one of the four temperate seasons, succeeding winter and preceding summer. There are various technical definitions of spring, but local usage of ...

in parts of the

Northern Hemisphere The Northern Hemisphere is the half of Earth that is north of the Equator. For other planets in the Solar System, north is defined as being in the same celestial hemisphere relative to the invariable plane of the solar system as Earth's Nort ...

, where it is the seasonal equivalent to

October October is the tenth month of the year in the Julian and Gregorian calendars and the sixth of seven months to have a length of 31 days. The eighth month in the old calendar of Romulus , October retained its name (from Latin and Greek ''ôct ...

in the Southern Hemisphere and vice versa.

History

The Romans gave this month the

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

name ''

Aprilis ''Aprilis'' or ''mensis Aprilis'' (April) was the second month of the ancient Roman calendar, following '' Martius'' (March) and preceding '' Maius'' (May). On the oldest Roman calendar that had begun with March, ''Aprilis'' was the second of ten ...

''"April" in ''

Chambers's Encyclopædia ''Chambers's Encyclopaedia'' was founded in 1859Chambers, W. & R"Concluding Notice"in ''Chambers's Encyclopaedia''. London: W. & R. Chambers, 1868, Vol. 10, pp. v–viii. by William Chambers (publisher), William and Robert Chambers (publisher ...

''. London:

George Newnes Sir George Newnes, 1st Baronet (13 March 1851 – 9 June 1910) was a British publisher and editor and a founding figure in popular journalism. Newnes also served as a Liberal Party Member of Parliament for two decades. His company, George Newnes ...

, 1961, Vol. 1, p. 497. but the derivation of this name is uncertain. The traditional etymology is from the verb ''aperire'', "to open", in allusion to its being the season when trees and flowers begin to "open", which is supported by comparison with the modern Greek use of άνοιξη (''ánixi'') (opening) for spring. Since some of the Roman months were named in honor of divinities, and as April was sacred to the goddess

Venus Venus is the second planet from the Sun. It is sometimes called Earth's "sister" or "twin" planet as it is almost as large and has a similar composition. As an interior planet to Earth, Venus (like Mercury) appears in Earth's sky never fa ...

, her

Veneralia The Veneralia was an ancient Roman festival celebrated April 1 (the Kalends of ''Aprilis'') in honor of Venus Verticordia ("Venus the changer of hearts") and Fortuna Virilis ("Manly" or "Virile Fortune"). The cult of Venus Verticordia was establ ...

being held on the first day, it has been suggested that Aprilis was originally her month Aphrilis, from her equivalent Greek goddess name

Aphrodite Aphrodite ( ; grc-gre, Ἀφροδίτη, Aphrodítē; , , ) is an ancient Greek goddess associated with love, lust, beauty, pleasure, passion, and procreation. She was syncretized with the Roman goddess . Aphrodite's major symbols include ...

(''Aphros''), or from the

Etruscan __NOTOC__ Etruscan may refer to: Ancient civilization *The Etruscan language, an extinct language in ancient Italy *Something derived from or related to the Etruscan civilization **Etruscan architecture **Etruscan art **Etruscan cities ** Etrusca ...

name '' Apru''.

Jacob Grimm Jacob Ludwig Karl Grimm (4 January 1785 – 20 September 1863), also known as Ludwig Karl, was a German author, linguist, philologist, jurist, and folklorist. He is known as the discoverer of Grimm's law of linguistics, the co-author of th ...

suggests the name of a hypothetical god or hero, ''Aper'' or ''Aprus''. April was the second month of the earliest

Roman calendar The Roman calendar was the calendar used by the Roman Kingdom and Roman Republic. The term often includes the Julian calendar established by the reforms of the Roman dictator, dictator Julius Caesar and Roman emperor, emperor Augustus in the ...

, before ''

Ianuarius ''Ianuarius'', fully ''Mensis Ianuarius'' ("month of Janus"), was the first month of the ancient Roman calendar, from which the Julian and Gregorian month of January derived. It was followed by '' Februarius'' (" February"). In the calendars ...

'' and ''

Februarius ''Februarius'', fully ''Mensis Februarius'' ("month of Februa"), was the shortest month of the Roman calendar from which the Julian and Gregorian month of February derived. It was eventually placed second in order, preceded by ''Ianuarius'' (" ...

'' were added by King

Numa Pompilius Numa Pompilius (; 753–672 BC; reigned 715–672 BC) was the legendary second king of Rome, succeeding Romulus after a one-year interregnum. He was of Sabine origin, and many of Rome's most important religious and political institutions are a ...

about 700 BC. It became the fourth month of the calendar year (the year when twelve months are displayed in order) during the time of the

decemvirs The decemviri or decemvirs (Latin for "ten men") were some of the several 10-man commissions established by the Roman Republic. The most important were those of the two Decemvirates, formally the " decemvirate with consular power for writing ...

about 450 BC, when it also was given 29 days. The 30th day was added during the reform of the calendar undertaken by

Julius Caesar Gaius Julius Caesar (; ; 12 July 100 BC – 15 March 44 BC), was a Roman general and statesman. A member of the First Triumvirate, Caesar led the Roman armies in the Gallic Wars before defeating his political rival Pompey in a civil war, and ...

in the mid-40s BC, which produced the Julian calendar. The

Anglo-Saxons The Anglo-Saxons were a Cultural identity, cultural group who inhabited England in the Early Middle Ages. They traced their origins to settlers who came to Britain from mainland Europe in the 5th century. However, the ethnogenesis of the Anglo- ...

called April ''ēastre-monaþ''. The

Venerable Bede Bede ( ; ang, Bǣda , ; 672/326 May 735), also known as Saint Bede, The Venerable Bede, and Bede the Venerable ( la, Beda Venerabilis), was an English monk at the monastery of St Peter and its companion monastery of St Paul in the Kingdom o ...

says in ''

The Reckoning of Time ''The Reckoning of Time'' ( la, De temporum ratione) is an Anglo-Saxon era treatise written in Medieval Latin by the Northumbrian monk Bede in 725. The treatise includes an introduction to the traditional ancient and medieval view of the cosmo ...

'' that this month ''ēastre'' is the root of the word

Easter Easter,Traditional names for the feast in English are "Easter Day", as in the '' Book of Common Prayer''; "Easter Sunday", used by James Ussher''The Whole Works of the Most Rev. James Ussher, Volume 4'') and Samuel Pepys''The Diary of Samuel ...

. He further states that the month was named after a goddess '' Eostre'' whose feast was in that month. It is also attested by

Einhard Einhard (also Eginhard or Einhart; la, E(g)inhardus; 775 – 14 March 840) was a Frankish scholar and courtier. Einhard was a dedicated servant of Charlemagne and his son Louis the Pious; his main work is a biography of Charlemagne, the ''Vita ...

in his work,

Vita Karoli Magni ''Vita Karoli Magni'' (''Life of Charlemagne'') is a biography of Charlemagne, King of the Franks and Holy Roman Emperor, written by Einhard.Ogg, p. 109 The ''Life of Charlemagne'' is a 33 chapter long account starting with the full of the Mero ...

St George Saint George (Greek language, Greek: Γεώργιος (Geórgios), Latin language, Latin: Georgius, Arabic language, Arabic: القديس جرجس; died 23 April 303), also George of Lydda, was a Christians, Christian who is venerated as a sa ...

's day is the twenty-third of the month; and

St Mark Mark the Evangelist ( la, Marcus; grc-gre, Μᾶρκος, Mârkos; arc, ܡܪܩܘܣ, translit=Marqōs; Ge'ez: ማርቆስ; ), also known as Saint Mark, is the person who is traditionally ascribed to be the author of the Gospel of Mark. Accor ...

's Eve, with its superstition that the ghosts of those who are doomed to die within the year will be seen to pass into the church, falls on the twenty-fourth. In

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

the symbolic of the earth by the emperor and princes of the blood took place in their third month, which frequently corresponds to April. In Finnish April is ''huhtikuu'', meaning ''

slash-and-burn Slash-and-burn agriculture is a farming method that involves the cutting and burning of plants in a forest or woodland to create a field called a swidden. The method begins by cutting down the trees and woody plants in an area. The downed vegeta ...

moon'', when

gymnosperm The gymnosperms ( lit. revealed seeds) are a group of seed-producing plants that includes conifers, cycads, ''Ginkgo'', and gnetophytes, forming the clade Gymnospermae. The term ''gymnosperm'' comes from the composite word in el, γυμνό� ...

s for beat and burn clearing of farmland were felled. In Slovene, the most established traditional name is ''mali traven'', meaning the month when plants start growing. It was first written in 1466 in the Škofja Loka manuscript. The month Aprilis had 30 days;

made it 29 days long; finally

’s calendar reform made it again 30 days long, which was not changed in the calendar revision of

Augustus Caesar Caesar Augustus (born Gaius Octavius; 23 September 63 BC – 19 August AD 14), also known as Octavian, was the first Roman emperor; he reigned from 27 BC until his death in AD 14. He is known for being the founder of the Roman Pri ...

in 8 BC. Additionally in the Spanish colony, Las Islas Filipinas (now known as the Philippines), the month Aprilis had a significant meaning to the life of the natives as it was associated to the influence of the Chinese during the Spanish colonial period. The importance of this aspect to the lives of the natives was formerly associated to an event called "Abril na Ikaw" as it is closely linked to the famous trader, April Yu. In

Ancient Rome In modern historiography, ancient Rome refers to Roman civilisation from the founding of the city of Rome in the 8th century BC to the collapse of the Western Roman Empire in the 5th century AD. It encompasses the Roman Kingdom (753–509 B ...

, the festival of

Cerealia In ancient Roman religion, the Cerealia was the major festival celebrated for the grain goddess Ceres. It was held for seven days from mid- to late April. Various agricultural festivals were held in the "last half of April". The Cerealia celebra ...

was held for seven days from mid-to-late April, but exact dates are uncertain.

Feriae Latinae The ''Feriae Latinae'' or Latin Festival was an ancient Roman religious festival held in April on the Alban Mount. The date varied, and was determined and announced by the consuls each year when they took office. It was one of the most ancient fe ...

was also held in April, with the date varying. Other ancient Roman observances include

(April 1),

Megalesia The Megalesia, Megalensia, or Megalenses Ludi, was a festival celebrated in Ancient Rome from April 4 to April 10, in honour of Cybele, known to Romans as ''Magna Mater'' (Great Mother). The name of the festival derives from Greek ''Megale'' (μϵ� ...

(April 10–16),

Fordicidia In ancient Roman religion, the Fordicidia was a festival of fertility, held on the Ides of April (April 15), that pertained to farming and animal husbandry. It involved the sacrifice of a pregnant cow to Tellus, the ancient Roman goddess of the E ...

(April 15),

Parilia upright=1.5, ''Festa di Pales, o L'estate'' (1783), a reimagining of the Festival of Pales by Joseph-Benoît Suvée The Parilia is an ancient Roman festival of rural character performed annually on 21 April, aimed at cleansing both sheep and sh ...

(April 21), Vinalia Urbana, Robigalia, and

Serapia The Serapia or Sarapia was a Roman Imperial religious festival devoted to the Greco-Egyptian god Serapis. It is found as an official holiday on 25 April as late as the Calendar of Filocalus in 354 AD. In farmers' almanacs ''( menologia rustica)' ...

were celebrated on (April 25).

Floralia The Floralia was a festival in ancient Roman religious practice in honor of the goddess Flora, held April 27 during the Republican era, or April 28 in the Julian calendar. The festival included ''Ludi Florae'', the "Games of Flora", which lasted ...

was held April 27 during the

Republican era Republican Era can refer to: * Minguo calendar, the official era of the Republic of China It may also refer to any era in a country's history when it was governed as a republic or by a Republican Party. In particular, it may refer to: * Roman Re ...

, or April 28 on the

Julian calendar The Julian calendar, proposed by Roman consul Julius Caesar in 46 BC, was a reform of the Roman calendar. It took effect on , by edict. It was designed with the aid of Greek mathematicians and astronomers such as Sosigenes of Alexandr ...

, and lasted until May 3. However, these dates do not correspond to the modern

Gregorian calendar The Gregorian calendar is the calendar used in most parts of the world. It was introduced in October 1582 by Pope Gregory XIII as a modification of, and replacement for, the Julian calendar. The principal change was to space leap years dif ...

. The

Lyrids The April Lyrids are a meteor shower lasting from April 16 to April 25 each year. The radiant of the meteor shower is located in the constellation Lyra, near its brightest star, Vega. The peak of the shower is typically around April 22 each year. ...

meteor shower A meteor shower is a celestial event in which a number of meteors are observed to radiate, or originate, from one point in the night sky. These meteors are caused by streams of cosmic debris called meteoroids entering Earth's atmosphere at extre ...

appears on April 16 – April 26 each year, with the peak generally occurring on April 22.

Eta Aquariids The Eta Aquariids are a meteor shower associated with Halley's Comet. The shower is visible from about April 19 to about May 28 each year with peak activity on or around May 5. Unlike most major annual meteor showers, there is no sharp peak for ...

meteor shower also appears in April. It is visible from about April 21 to about May 20 each year with peak activity on or around May 6. The

Pi Puppids The pi Puppids are a meteor shower associated with the comet 26P/Grigg-Skjellerup. The meteor stream was viewable around April 23 but only in years around the parent comet's perihelion date, the last being in 2003. However, as the planet Jupit ...

appear on April 23, but only in years around the parent comet's

perihelion An apsis (; ) is the farthest or nearest point in the orbit of a planetary body about its primary body. For example, the apsides of the Earth are called the aphelion and perihelion. General description There are two apsides in any ellip ...

date. The

Virginids The Virginids are a meteor shower. There are many major and minor meteor shower streams that occur during the Virginid Complex, including the Alpha Virginids, Gamma Virginids, Eta Virginids, Theta Virginids, Iota Virginids, Lambda Virginids, Mu Virg ...

also shower at various dates in April. The "Days of April" (''journées d'avril'') is a name assigned in French history to a series of insurrections at Lyons, Paris and elsewhere, against the government of

Louis Philippe Louis Philippe (6 October 1773 – 26 August 1850) was King of the French from 1830 to 1848, and the penultimate monarch of France. As Louis Philippe, Duke of Chartres, he distinguished himself commanding troops during the Revolutionary War ...

in 1834, which led to violent repressive measures, and to a famous trial known as the ''procès d'avril''.

April symbols

April's

birthstone A birthstone is a gemstone A gemstone (also called a fine gem, jewel, precious stone, or semiprecious stone) is a piece of mineral crystal which, in cut and polished form, is used to make jewelry or other adornments. However, certain rock ...

is the

diamond Diamond is a Allotropes of carbon, solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. Another solid form of carbon known as graphite is the Chemical stability, chemically stable form of car ...

. *

The

birth flower Floriography (language of flowers) is a means of cryptological communication through the use or arrangement of flowers. Meaning has been attributed to flowers for thousands of years, and some form of floriography has been practiced in tradition ...

is typically listed as either the

common daisy ''Bellis perennis'' (), the daisy, is a European species of the family Asteraceae, often considered the archetypal species of the name daisy. To distinguish this species from other plants known as daisies, it is sometimes qualified as common dais ...

''(Bellis perennis)'' or the

sweet pea The sweet pea, ''Lathyrus odoratus'', is a flowering plant in the genus ''Lathyrus'' in the family Fabaceae ( legumes), native to Sicily, southern Italy and the Aegean Islands. It is an annual climbing plant, growing to a height of , where sui ...

. * The

zodiac The zodiac is a belt-shaped region of the sky that extends approximately 8° north or south (as measured in celestial latitude) of the ecliptic, the Sun path, apparent path of the Sun across the celestial sphere over the course of the year. ...

signs for the month of April are

Aries Aries may refer to: *Aries (astrology), an astrological sign *Aries (constellation), a constellation of stars in the zodiac Arts, entertainment and media * ''Aries'' (album), by Luis Miguel, 1993 * ''Aries'' (EP), by Alice Chater, 2020 * "Aries" ...

(until April 19) and

Taurus Taurus is Latin for 'bull' and may refer to: * Taurus (astrology), the astrological sign * Taurus (constellation), one of the constellations of the zodiac * Taurus (mythology), one of two Greek mythological characters named Taurus * '' Bos tauru ...

(April 20 onwards).. Signs in UT/GMT for 1950–2030.

April observances

''This list does not necessarily imply either official status nor general observance.''

Month-long observances

*In

Catholic The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...

Protestant Protestantism is a Christian denomination, branch of Christianity that follows the theological tenets of the Reformation, Protestant Reformation, a movement that began seeking to reform the Catholic Church from within in the 16th century agai ...

and

Orthodox Orthodox, Orthodoxy, or Orthodoxism may refer to: Religion * Orthodoxy, adherence to accepted norms, more specifically adherence to creeds, especially within Christianity and Judaism, but also less commonly in non-Abrahamic religions like Neo-pa ...

tradition A tradition is a belief or behavior (folk custom) passed down within a group or society with symbolic meaning or special significance with origins in the past. A component of cultural expressions and folklore, common examples include holidays or ...

, April is the Month of the Resurrection of the Lord. April and March are the months in which is celebrated the moveable

Feast A banquet (; ) is a formal large meal where a number of people consume food together. Banquets are traditionally held to enhance the prestige of a host, or reinforce social bonds among joint contributors. Modern examples of these purposes i ...

Easter Sunday Easter,Traditional names for the feast in English are "Easter Day", as in the ''Book of Common Prayer''; "Easter Sunday", used by James Ussher''The Whole Works of the Most Rev. James Ussher, Volume 4'') and Samuel Pepys''The Diary of Samuel ...

. *

National Pet Month ''National Pet Month'' is a celebration of the benefits that pets bring to people's lives - and vice versa. It is observed annually in the United States in May and during the month of April in the United Kingdom The United Kingdom of Great B ...

(

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...

)

United States

Arab American Heritage Month National Arab American Heritage Month (NAAHM) takes place in April. It celebrates the Arab American heritage and culture and pays tribute to the contributions of Arab Americans and Arabic-speaking Americans. History Beginning in the 1990s, Arab A ...

*Autism Awareness Month *

Cancer Control Month Cancer Control Month is a month-long United States observance established by . 2013 edition (a) The president is requested to issue each year a proclamation— :(1) designating April as Cancer Control Month; :(2) to invite each year the chief ...

Community College A community college is a type of educational institution. The term can have different meanings in different countries: many community colleges have an "open enrollment" for students who have graduated from high school (also known as senior sec ...

Awareness Month *

Confederate History Month Confederate History Month is a month designated by seven state governments in the Southern United States for the purpose of recognizing and honoring the history of the Confederate States of America. April has traditionally been chosen, as Confeder ...

(

Alabama (We dare defend our rights) , anthem = "Alabama (state song), Alabama" , image_map = Alabama in United States.svg , seat = Montgomery, Alabama, Montgomery , LargestCity = Huntsville, Alabama, Huntsville , LargestCounty = Baldwin County, Al ...

Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and to ...

Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...

Louisiana Louisiana , group=pronunciation (French: ''La Louisiane'') is a state in the Deep South and South Central regions of the United States. It is the 20th-smallest by area and the 25th most populous of the 50 U.S. states. Louisiana is borde ...

Mississippi Mississippi () is a state in the Southeastern region of the United States, bordered to the north by Tennessee; to the east by Alabama; to the south by the Gulf of Mexico; to the southwest by Louisiana; and to the northwest by Arkansas. Miss ...

Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...

Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...

) * Donate Life Month *

Financial Literacy Month Financial Literacy Month is recognized annually in Canada in November, and National Financial Literacy Month was recognized in the United States in April 2004, Sponsored by Sen. Daniel Akaka D-HI. in an effort to highlight the importance of financi ...

* Jazz Appreciation Month * Mathematics and Statistics Awareness Month * Month of the Military Child *

National Poetry Month National Poetry Month, a celebration of poetry which takes place each April, was introduced in 1996 and is organized by the Academy of American Poets as a way to increase awareness and appreciation of poetry in the United States. The Academy of Amer ...

* National Poetry Writing Month * Occupational Therapy Month * National Prevent Child Abuse Month * National Volunteer Month * Parkinson's Disease Awareness Month *Rosacea Awareness Month *

Sexual Assault Awareness Month Sexual Assault Awareness Month (SAAM) is an annual campaign to raise public awareness about sexual assault and educate communities and individuals on how to prevent sexual violence. It is observed in April. Each year during the month of April, s ...

United States Food months

*Fresh Florida Tomato Month *National Food Month *National Grilled Cheese Month *National Pecan Month *National Soft Pretzel Month *National Soyfoods Month

Non-Gregorian observances: 2021

''(All Baha'i, Islamic, and Jewish observances begin at the sundown prior to the date listed, and end at sundown of the date in question unless otherwise noted.)'' *

List of observances set by the Bahá'í calendar A ''list'' is any set of items in a row. List or lists may also refer to: People * List (surname) Organizations * List College, an undergraduate division of the Jewish Theological Seminary of America * SC Germania List, German rugby union ...

List of observances set by the Chinese calendar The traditional Chinese holidays are an essential part of harvests or prayer offerings. The most important Chinese holiday is the Chinese New Year (Spring Festival), which is also celebrated in overseas ethnic Chinese communities (for example in ...

List of observances set by the Hebrew calendar All observances begin at sunset the day prior to the Gregorian date listed unless otherwise noted, and end on nightfall of the date in question, which is defined as the appearance of three stars in the sky. On leap years (which occur every 2– ...

List of observances set by the Islamic calendar All Islamic observances begin at the sundown prior to the date listed, and end at sundown of the date in question unless otherwise noted. Holidays for 1441 (2019-2020) {, class="wikitable" !width=20%, Date on Islamic Calendar !width=20%, Gre ...

List of observances set by the Solar Hijri calendar Dates in this table are determined by when the March Equinox falls. It will fall on March 20 from 2018-2023. {, class="wikitable" , - style="background:#efefef;" ! Holiday date !!Holiday name !! Description !!March equinox on March 19 !!March Eq ...

Movable observances, 2021 dates

Youth Homelessness Matters Day Youth Homelessness Matters Day (YHMD), according to the National Youth Coalition for Housing the 2018 Youth Homelessness Matters day was held on 18 April 2018. YHMD is an annual day which seeks to highlight the issue of youth homelessness in Austra ...

* National Health Day (

Kiribati Kiribati (), officially the Republic of Kiribati ( gil, ibaberikiKiribati),Kiribati
''The Wor ...

): April 6 * Oral, Head and Neck Cancer Awareness Week (

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

): April 13–19 * National Park Week (

): April 18–26 *

Crime Victims' Rights Week National Crime Victims' Rights Week is an annual commemoration in the United States that promotes victims' rights and services. The week is marked by an award ceremony held in Washington, D.C., in which individuals and organizations that demonstra ...

(

): April 19–25 *

National Volunteer Week National Volunteer Week is an annual celebration observed in many countries, to promote and show appreciation for volunteerism and volunteering. In the United States, it is organized by the Points of Light Points of Light is an internationa ...

: April 19–25 *

European Immunization Week European Immunization Week (EIW) is an annual regional initiative, coordinated by the World Health Organization Regional Office for Europe (WHO/Europe), to promote immunization against vaccine-preventable diseases since its launch in 2008. EIW acti ...

: April 20–26 *

Day of Silence Day of Silence is GLSEN's annual day of action to spread awareness about the effects of the bullying and harassment of lesbian, gay, bisexual, transgender, queer, and questioning (LGBTQ) students. In the United States, students take a day-lo ...

(

): April 24 * Pay It Forward Day: April 28 (

International observance Lists of holidays by various categorizations. Religious holidays Abrahamic holidays (Middle Eastern) Jewish holidays *Chag HaMatzot (Feast of Unleavened bread, Unleavened Bread – 7 days of consumption of matzo with wine and avoidance ...

) *

Denim Day Denim Day takes place on the last Wednesday of April, which is Sexual Assault Awareness Month. This day of action and awareness is an event in which people are encouraged to wear denim to combat victim blaming and educate others about sexual viole ...

: April 29 (

) *

Day of Dialogue In the United States, the Day of Dialogue (formerly Day of Truth) is the Christian fundamentalist group Focus on the Family's annual event to oppose LGBTQ rights. It was founded by the Alliance Defense Fund in 2005 to oppose the Day of Silence, ...

(

) *

Vaccination Week In The Americas Vaccination Week In The Americas (VWA) is an annual public health campaign by the member states of the Pan American Health Organization (PAHO) to promote equity and access to immunization. It is marked each year during the last week of April. Sin ...

*See: List of movable Western Christian observances *See:

List of movable Eastern Christian observances This is a chronological list of moveable Eastern Christian observances. Most of these are calculated by the date of Pascha. It includes secular observances which are calculated by religious observances. ''This list does not necessarily imply eith ...

First Wednesday: April 1

* National Day of Hope (

)

First Saturday: April 4

* Ulcinj Municipality Day (

Ulcinj Ulcinj ( cyrl, Улцињ, ; ) is a town on the southern coast of Montenegro and the capital of Ulcinj Municipality. It has an urban population of 10,707 (2011), the majority being Albanians. As one of the oldest settlements in the Adriatic coast ...

Montenegro ) , image_map = Europe-Montenegro.svg , map_caption = , image_map2 = , capital = Podgorica , coordinates = , largest_city = capital , official_languages = M ...

)

First Sunday: April 5

Daylight saving time Daylight saving time (DST), also referred to as daylight savings time or simply daylight time (United States, Canada, and Australia), and summer time (United Kingdom, European Union, and others), is the practice of advancing clocks (typicall ...

ends (

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

and

New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...

) * Geologists Day (former

Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...

countries) *

Kanamara Matsuri The Shinto is an annual Japanese festival held each spring at the in Kawasaki, Japan. The exact dates vary: the main festivities fall on the first Sunday in April. The phallus, as the central theme of the event, is reflected in illustrations, c ...

( Kawasaki, Japan) *

Opening Day Opening Day is the day on which professional baseball leagues begin their regular season. For Major League Baseball (MLB) and most of the American minor leagues, this day typically falls during the first week of April, although in recent years ...

(

)

First full week: April 5–11

National Library Week First sponsored in 1958, National Library Week (NLW) is a national observance sponsored by the American Library Association (ALA) and Library, libraries across the United States each April, typically the second full week. It promotes library use a ...

(

) ** National Library Workers Day (

) (Tuesday of National Library week, April 4) ** National Bookmobile Day (Wednesday of National Library week, April 5) * National Public Health Week (

) * National Public Safety Telecommunicators Week (

)

= Second Wednesday: April 8

= *

International Day of Pink The International Day of Pink is a worldwide anti-bullying and anti-homophobia event held annually during the second week of April. Though similar to Pink Shirt Day (held in February) in that it also seeks to end all bullying, the Day of Pink is ...

= Second Thursday: April 9

= *

National Former Prisoner of War Recognition Day In the United States, National POW/MIA Recognition Day is observed on the third Friday in September. It honors those who were prisoners of war (POWs) and those who are still missing in action (MIA). It is most associated with those who were POWs d ...

(

)

= Second Friday of April: April 10

= * Fast and Prayer Day (

Liberia Liberia (), officially the Republic of Liberia, is a country on the West African coast. It is bordered by Sierra Leone to Liberia–Sierra Leone border, its northwest, Guinea to its north, Ivory Coast to its east, and the Atlantic Ocean ...

) * Air Force Day (

Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

) * Kamakura Matsuri at Tsurugaoka Hachiman (

Kamakura is a city in Kanagawa Prefecture, Japan. Kamakura has an estimated population of 172,929 (1 September 2020) and a population density of 4,359 persons per km² over the total area of . Kamakura was designated as a city on 3 November 1939. Kamak ...

, Japan), lasts until third Sunday.

Second Sunday: April 12

Children's Day Children's Day is a commemorative date celebrated annually in honor of children, whose date of observance varies by country. In 1925, International Children's Day was first proclaimed in Geneva during the World Conference on Child Welfare. Sin ...

(

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...

)

Week of April 14: April 12–18

* Pan-American Week (

)

Third Wednesday: April 15

Administrative Professionals' Day Administrative Professionals Day (also known as Secretaries Day or Admin Day) is a day observed yearly in a small number of countries. It is not a public holiday in any of them. In some countries, it falls within Administrative Professionals Week ...

(

)

Third Thursday: April 16

* National High Five Day (

)

Third Saturday: April 18

Record Store Day Record Store Day is an annual event inaugurated in 2007 and held on one Saturday (typically the third) every April and every Black Friday in November to "celebrate the culture of the independently owned record store". The day brings together fa ...

(

)

Last full week of April: April 19–25

* Administrative Professionals Week (

Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...

) *

World Immunization Week World Immunization Week is a global public health campaign to raise awareness and increase rates of immunization against vaccine-preventable diseases around the world. It takes place each year during the last week of April (24th - 30th). Immuniza ...

Week of April 23: April 19–25

* Canada Book Week (

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

)

Week of the
New Moon In astronomy, the new moon is the first lunar phase, when the Moon and Sun have the same ecliptic longitude. At this phase, the lunar disk is not visible to the naked eye, except when it is silhouetted against the Sun during a solar eclipse. ...
: April 19–25

National Dark-Sky Week International Dark Sky Week (formerly the National Dark Sky Week) is held during the week of the new moon in April, when people worldwide may turn off their lights to observe the beauty of the night sky without light pollution. This event was f ...

(

)

Third Monday: April 20

Patriots' Day Patriots' Day (Patriot's Day in Maine) is an annual event, formalized as a legal holiday or a special observance day in six states, commemorating the battles of Lexington, Concord, and Menotomy, some of the first battles of the American Revo ...

(

Massachusetts Massachusetts (Massachusett language, Massachusett: ''Muhsachuweesut assachusett writing systems, məhswatʃəwiːsət'' English: , ), officially the Commonwealth of Massachusetts, is the most populous U.S. state, state in the New England ...

Maine Maine () is a state in the New England and Northeastern regions of the United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Canadian provinces of New Brunswick and Quebec to the northeast and north ...

) *

Queen's Official Birthday The King's Official Birthday (alternatively the Queen's Official Birthday when the monarch is female) is the selected day in the United Kingdom and most Commonwealth realms on which the birthday of the monarch is officially celebrated in those ...

(

Saint Helena, Ascension and Tristan da Cunha Saint Helena, Ascension and Tristan da Cunha is a British Overseas Territory located in the South Atlantic and consisting of the island of Saint Helena, Ascension Island and the archipelago of Tristan da Cunha including Gough Island. Its name wa ...

) *

Sechseläuten The ''Sechseläuten'' (Zürich German: ''Sächsilüüte'', "The six o'clock ringing of the bells") is a traditional spring holiday in the Swiss city of Zürich celebrated in its current form, usually on the 3rd Monday of April, since the early 2 ...

(

Zürich Zürich () is the list of cities in Switzerland, largest city in Switzerland and the capital of the canton of Zürich. It is located in north-central Switzerland, at the northwestern tip of Lake Zürich. As of January 2020, the municipality has 43 ...

Switzerland ). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...

)

= Wednesday of last full week of April: April 22

= *

(

Hong Kong Hong Kong ( (US) or (UK); , ), officially the Hong Kong Special Administrative Region of the People's Republic of China ( abbr. Hong Kong SAR or HKSAR), is a city and special administrative region of China on the eastern Pearl River Delt ...

)

First Thursday after April 18: April 23

First Day of Summer The first day of summer ( ) is an annual public holiday in Iceland that is celebrated on the first Thursday after 18 April (some time between 19-25 April). It is a celebration of the start of the first summer month () of the old Icelandic cale ...

(

Iceland Iceland ( is, Ísland; ) is a Nordic island country in the North Atlantic Ocean and in the Arctic Ocean. Iceland is the most sparsely populated country in Europe. Iceland's capital and largest city is Reykjavík, which (along with its s ...

)

= Fourth Thursday: April 23

= *

Take Our Daughters And Sons To Work Day Take Our Daughters And Sons To Work Day, also termed Take Your Child to Work Day, is a national day that gives children in the United States a glimpse into the working world. Developed by the Take Our Daughters And Sons To Work Foundation, a 501 ...

(

)

= Last Friday: April 24

= *

Arbor Day Arbor Day (or Arbour in some countries) is a secular day of observance in which individuals and groups are encouraged to plant trees. Today, many countries observe such a holiday. Though usually observed in the spring, the date varies, dependi ...

(

) *

Día de la Chupina The ''Día de la Chupina'' (Spanish, literally Hooky Day) is a popular event and self-styled " holiday" created by secondary school students in the city of Rosario, Argentina Argentina (), officially the Argentine Republic ( es, link=no, ...

(

Rosario Rosario () is the largest city in the central provinces of Argentina, Argentine province of Santa Fe Province, Santa Fe. The city is located northwest of Buenos Aires, on the west bank of the Paraná River. Rosario is the third-most populous ci ...

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...

)

Last Friday in April to first Sunday in May: April 24-May 3

* Arbour Week in

Ontario Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central Ca ...

= Last Saturday: April 25

= *

(

Colombia Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular regions in North America—near Nicaragua's Caribbean coast—as well as in the Pacific Ocean. The Colombian mainland is bordered by the Car ...

) * National Rebuilding Day (

) * National Sense of Smell Day (

) *

World Tai Chi and Qigong Day World Tai Chi and Qigong Day (WTCQD), also spelled World T'ai Chi and Ch'i Kung Day, is an annual event held the last Saturday of April each year to promote the related disciplines of T'ai chi ch'uan and Qigong in nearly eighty countries since 199 ...

= Last Sunday: April 26

= * Flag Day (

Åland Åland ( fi, Ahvenanmaa: ; ; ) is an Federacy, autonomous and Demilitarized zone, demilitarised region of Finland since 1920 by a decision of the League of Nations. It is the smallest region of Finland by area and population, with a size of 1 ...

Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of B ...

) * Turkmen Racing Horse Festival (

Turkmenistan Turkmenistan ( or ; tk, Türkmenistan / Түркменистан, ) is a country located in Central Asia, bordered by Kazakhstan to the northwest, Uzbekistan to the north, east and northeast, Afghanistan to the southeast, Iran to the sout ...

)

= April 27 (moves to April 26 if April 27 is on a Sunday): April 27

= *

Koningsdag ''Koningsdag'' () or King's Day is a national holiday in the Kingdom of the Netherlands. Celebrated on 27 April (26 April if the 27th is a Sunday), the date marks the birth of King Willem-Alexander. When the Dutch monarch is female, the holi ...

(

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

)

= Last Monday: April 27

= *

Confederate Memorial Day Confederate Memorial Day (called Confederate Heroes Day in Texas and Florida, and Confederate Decoration Day in Tennessee) is a cultural holiday observed in several Southern U.S. states on various dates since the end of the American Civil War. ...

(

Georgia (U.S. state) Georgia is a state in the Southeastern United States, Southeastern region of the United States, bordered to the north by Tennessee and North Carolina; to the northeast by South Carolina; to the southeast by the Atlantic Ocean; to the south by ...

, and

)

= Last Wednesday: April 29

= * International Noise Awareness Day

Fixed observances

April 1 Events Pre-1600 * 33 – According to one historian's account, Jesus Christ's Last Supper is held. * 527 – Byzantine Emperor Justin I names his nephew Justinian I as co-ruler and successor to the throne. *1081 – Alexios I Kom ...

April Fools' Day April Fools' Day or All Fools' Day is an annual custom on 1 April consisting of practical jokes and hoaxes. Jokesters often expose their actions by shouting "April Fools!" at the recipient. Mass media can be involved in these pranks, which may ...

(

Tanzania Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the African Great Lakes region. It borders Uganda to the north; Kenya to the northeast; Comoro Islands and ...

) **

Civil Service Day Public holidays in Thailand are regulated by the government, and most are observed by both the public and private sectors. There are usually nineteen public holidays in a year, but more may be declared by the cabinet. Other observances, both offic ...

(

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...

) ** Cyprus National Day (

Cyprus Cyprus ; tr, Kıbrıs (), officially the Republic of Cyprus,, , lit: Republic of Cyprus is an island country located south of the Anatolian Peninsula in the eastern Mediterranean Sea. Its continental position is disputed; while it is geo ...

) **

Edible Book Day The International Edible Book Festival is an list of minor secular observances#April, annual event usually held on or around April 1, which is also known as Edible Book Day. The global event has been celebrated since 2000 in various parts of the w ...

Fossil Fools Day Fossil Fools Day is an environmental demonstration day. It occurs on April 1. The name is a play on the term fossil fuels and April Fools' Day. Fossil Fools Day began in 2004 with coordinated actions across the United States and Canada. Subs ...

Kha b-Nisan Kha may refer to: * Kha (Bengali), a letter * Kha (Cyrillic), a letter * Kha (Indic), a consonant * Ḫāʾ (sometimes khā), Arabic letter خ * Kha, an ancient Egyptian architect and overseer, in Theban Tomb 8, TT8 * Kitty Hawk Aircargo ''For ...

( Assyrian people) ** National Civil Service Day (

) **

Odisha Day Odisha Day, also Utkala Dibasa, is celebrated on 1 April in the Indian state of Odisha in memory of the formation of the state as a separate state out of Bihar and Orissa Province with addition of Koraput and Ganjam from the Madras Presidency on ...

(

Odisha Odisha (English: , ), formerly Orissa ( the official name until 2011), is an Indian state located in Eastern India. It is the 8th largest state by area, and the 11th largest by population. The state has the third largest population of ...

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

) **Start of Testicular Cancer Awareness week (

), April 1–7 **

Season for Nonviolence Season for Nonviolence was established in 1998 by Arun Gandhi, Mohandas Gandhi's grandson, as a yearly event celebrating the philosophies and lives of Mohandas Gandhi and Martin Luther King Jr. The idea was developed with the help of Dr. Michael Be ...

January 30 – April 4 *

April 2 Events Pre-1600 *1513 – Having spotted land on March 27, Spanish explorer Juan Ponce de León comes ashore on what is now the U.S. state of Florida, landing somewhere between the modern city of St. Augustine and the mouth of the St. Jo ...

International Children's Book Day International Children's Book Day (ICBD) is a yearly event sponsored by the International Board on Books for Young People (IBBY), an international non-profit organization. Founded in 1967, the day is observed on or around Hans Christian Andersen's ...

(

) **

Malvinas Day Malvinas Day (), officially Day of the Veterans and Fallen of the Malvinas War (''Día del Veterano y de los Caídos en la Guerra de las Malvinas''), is a public holiday in Argentina, observed each year on 2 April. The name refers to the Falkl ...

(

) ** National Peanut Butter and Jelly Day (

) **

Thai Heritage Conservation Day Public holidays in Thailand are regulated by the government, and most are observed by both the public and private sectors. There are usually nineteen public holidays in a year, but more may be declared by the cabinet. Other observances, both offi ...

(

) **

Unity of Peoples of Russia and Belarus Day National holidays in Belarus are classified into state holidays and other holidays and commemorative days, including religious holidays. Nine of them are non-working days. Public holidays (non-working days) Other holidays State Comme ...

(

Belarus Belarus,, , ; alternatively and formerly known as Byelorussia (from Russian ). officially the Republic of Belarus,; rus, Республика Беларусь, Respublika Belarus. is a landlocked country in Eastern Europe. It is bordered by R ...

) **

World Autism Awareness Day World Autism Awareness Day is an internationally recognized day annually on April 2nd, encouraging Member States of the United Nations to take measures to raise awareness about autistic individuals throughout the world. It was designated by the ...

(

) *

April 3 Events Pre-1600 * 686 – Maya king Yuknoom Yich'aak K'ahk' assumes the crown of Calakmul. * 1043 – Edward the Confessor is crowned King of England. * 1077 – The Patriarchate of Friûl, the first Friulian state, is created ...

April 4 Events Pre-1600 * 503 BC – Roman consul Agrippa Menenius Lanatus celebrates a triumph for a military victory over the Sabines. * 190 – Dong Zhuo has his troops evacuate the capital Luoyang and burn it to the ground. * 611 – ...

(

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...

) ** Independence Day (Senegal) ** International Day for Mine Awareness and Assistance in Mine Action **

Peace Day (Angola) Angola has twelve public holidays that can be increased by bridge holidays if a holiday falls on a Tuesday or Thursday. 2022 has fifteen national holidays. Notes References Angola Angolan culture Society of Angola Holidays A holi ...

* April 5 **

(

Palestinian territories The Palestinian territories are the two regions of the former British Mandate for Palestine that have been militarily occupied by Israel since the Six-Day War of 1967, namely: the West Bank (including East Jerusalem) and the Gaza Strip. The I ...

) ** National Caramel Day (United States) **

Sikmogil Singmogil or Sikmogil ( ko, 식목일, hanja: 植木日) is a holiday in South Korea, the Korean Arbor Day. It is celebrated annually on April 5. Background The idea of Singmogil was to celebrate forestry and the development of national history. T ...

(South Korea) *

April 6 Events Pre–1600 *46 BC – Julius Caesar defeats Caecilius Metellus Scipio and Marcus Porcius Cato (Cato the Younger) at the Battle of Thapsus. * 402 – Stilicho defeats the Visigoths under Alaric in the Battle of Pollentia. *132 ...

** Chakri Day (Thailand) **

National Beer Day (United Kingdom) Beer Day Britain is an annual event celebrating beer in the United Kingdom. The date has been celebrated annually on 15 June since 2015. It is supported by the British Beer and Pub Association, the Society of Independent Brewers (SIBA), and the ...

New Beer's Eve National Beer Day is celebrated in the United States every year on April 7, marking the day that the Cullen–Harrison Act came into force after having been signed into law by President Franklin D. Roosevelt on March 22, 1933. This led to the Ei ...

(United States) ** Tartan Day (United States & Canada) *

April 7 Events Pre-1600 * 451 – Attila the Hun captures Metz in France, killing most of its inhabitants and burning the town. * 529 – First ''Corpus Juris Civilis'', a fundamental work in jurisprudence, is issued by Eastern Roman Empe ...

** Flag Day (Slovenia) ** Genocide Memorial Day (Rwanda), and its related observance: ***

International Day of Reflection on the 1994 Rwanda Genocide The International Day of Reflection on the 1994 Rwandan Genocide was recognized as an international observance by the United Nations on April 7, 2004. Commemorative events for the Rwandan genocide were held in several major cities including Kigali, ...

(

United Nations The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and international security, security, develop friendly relations among nations, achieve international cooperation, and be ...

) **

Motherhood and Beauty Day Motherhood and beauty day ( hy, Մայրության և գեղեցկության օր) is an official holiday in Armenia dedicated to women. While March 8 celebrates all women, April 7 is mother's day. April 7 is the Feast of the Annunciation in t ...

(Armenia) **

National Beer Day (United States) National Beer Day is celebrated in the United States every year on April 7, marking the day that the Cullen–Harrison Act came into force after having been signed into law by President Franklin D. Roosevelt on March 22, 1933. This led to the Ei ...

** No Housework Day ** Sheikh Abeid Amani Karume Day (Tanzania) ** Women's Day (Mozambique) **

World Health Day World Health Day is a global health awareness day celebrated every year on 7 April, under the sponsorship of the World Health Organization (WHO), as well as other related organizations. In 1948, the WHO held the First World Health Assembly. ...

(

) *

April 8 Events Pre-1600 * 217 – Roman emperor Caracalla is assassinated and is succeeded by his Praetorian Guard prefect, Marcus Opellius Macrinus. * 876 – The Battle of Dayr al-'Aqul saves Baghdad from the Saffarids. *1139 – Ro ...

Buddha's Birthday Buddha's Birthday (also known as Buddha Jayanti, also known as his day of enlightenment – Buddha Purnima, Buddha Pournami) is a Buddhist festival that is celebrated in most of East Asia and South Asia commemorating the birth of the Gautama ...

(Japan only, other countries follow different calendars) ** Feast of the First Day of the Writing of the Book of the Law (

Thelema Thelema () is a Western esoteric and occult social or spiritual philosophy and new religious movement founded in the early 1900s by Aleister Crowley (1875–1947), an English writer, mystic, occultist, and ceremonial magician. The word '' ...

) **

International Romani Day The International Romani Day (April 8) is a day to celebrate Romani culture and raise awareness of the issues facing Romani people. Origin The day was officially declared in 1990 in Serock, Poland, the site of the fourth World Romani Congress of ...

(

) ** Trading Cards for Grown-ups Day *

April 9 Events Pre-1600 * 193 – The distinguished soldier Septimius Severus is proclaimed emperor by the army in Illyricum. * 475 – Byzantine Emperor Basiliscus issues a circular letter (''Enkyklikon'') to the bishops of his empire, s ...

** Anniversary of the German Invasion of Denmark (Denmark) **

Baghdad Liberation Day This is a list of public holidays in Iraq. Other important dates These are working days at the KRG Council of Ministers, and businesses are open. Special events take place around the Iraqi Kurdistan Region to mark these dates. *10 February: Kur ...

(

Iraqi Kurdistan Iraqi Kurdistan or Southern Kurdistan ( ku, باشووری کوردستان, Başûrê Kurdistanê) refers to the Kurdish-populated part of northern Iraq. It is considered one of the four parts of "Kurdistan" in Western Asia, which also incl ...

) **

Constitution Day (Kosovo) This is a list of public holidays in Kosovo. Annotations See also * Public holidays in Yugoslavia References {{Europe topic, Public holidays in Kosovo Kosovo ( sq, Kosova or ; sr-Cyrl, Косово ), officially the Repub ...

** Day of National Unity (Georgia) ** Day of the Finnish Language (Finland) ** Day of Valor or ''Araw ng Kagitingan'' (Philippines) **

Feast of the Second Day of the Writing of the Book of the Law Thelema () is a Western esoteric and occult social or spiritual philosophy and new religious movement founded in the early 1900s by Aleister Crowley (1875–1947), an English writer, mystic, occultist, and ceremonial magician. The word '' ...

(

) ** International Banshtai Tsai Day **

Martyr's Day (Tunisia) Martyrs' Day is an annual day observed by nations to salute the martyrdom of soldiers who lost their lives defending the sovereignty of the nation. The actual date may vary from one country to another. Here is a list of countries and Martyrs' Days. ...

(United States) ** Remembrance for Haakon Sigurdsson (

The Troth The Troth, formerly the Ring of Troth, is an United States, American-based international Germanic Neopaganism, heathen organization.Vimy Ridge Day Vimy Ridge Day is a day to commemorate the deaths and casualties of members of the Canadian Corps in the Battle of Vimy Ridge, which took place during the First World War. The holiday has been observed annually on 9 April since 2003. It is a no ...

(Canada) *

April 10 Events Pre-1600 * 428 – Nestorius becomes the Patriarch of Constantinople. * 837 – Halley's Comet makes its closest approach to Earth at a distance equal to 0.0342 AU (5.1 million kilometres/3.2 million miles). * 1407 ...

Day of the Builder There are several public holidays in Azerbaijan. Public holidays were regulated in the constitution of the Azerbaijan SSR for the first time on 19 May 1921. They are now regulated by the Constitution of Azerbaijan. Holidays Main holidays Other ...

(Azerbaijan) **

Feast of the Third Day of the Writing of the Book of the Law Thelema () is a Western esoteric and occult social or spiritual philosophy and new religious movement founded in the early 1900s by Aleister Crowley (1875–1947), an English writer, mystic, occultist, and ceremonial magician. The word '' ...

(

) ** Siblings Day (

) *

April 11 Events Pre-1600 * 491 – Flavius Anastasius becomes Byzantine emperor, with the name of Anastasius I. * 1241 – Batu Khan defeats Béla IV of Hungary at the Battle of Mohi. * 1512 – War of the League of Cambrai: Franco-Ferra ...

** Juan Santamaría Day, anniversary of his death in the

Second Battle of Rivas The Second Battle of Rivas occurred on 11 April 1856 between Costa Rican militia under General Mora and the Nicaraguan forces of American mercenary William Walker. The lesser known First Battle of Rivas took place on the 29 June 1855 between ...

. (Costa Rica) ** International Louie Louie Day ** National Cheese Fondue Day (United States) **

World Parkinson's Day James Parkinson (11 April 175521 December 1824) was an English surgeon, apothecary, geologist, palaeontologist and political activist. He is best known for his 1817 work ''An Essay on the Shaking Palsy'', in which he was the first to describe ...

April 12 Events Pre-1600 * 240 – Shapur I becomes co-emperor of the Sasanian Empire with his father Ardashir I. * 467 – Anthemius is elevated to Emperor of the Western Roman Empire. * 627 – King Edwin of Northumbria is converted ...

(Bolivia and Haiti) **Commemoration of first human in space by

Yuri Gagarin Yuri Alekseyevich Gagarin; Gagarin's first name is sometimes transliterated as ''Yuriy'', ''Youri'', or ''Yury''. (9 March 1934 – 27 March 1968) was a Soviet pilot and cosmonaut who became the first human to journey into outer space. Tr ...

: ***

Cosmonautics Day Cosmonautics Day (russian: День Космона́втики, ''Den Kosmonavtiki'') is an anniversary celebrated in Russia and some other former Soviet Union countries on 12 April.

(Russia) ***

International Day of Human Space Flight The International Day of Human Space Flight is the annual celebration, held on 12 April, of the anniversary of the first human space flight by Yuri Gagarin (USSR). It was proclaimed at the 65th session of the United Nations General Assembly on 7 A ...

***

Yuri's Night Yuri's Night is an international celebration held every April 12 to commemorate milestones in space exploration. It is named for the first human to launch into space, Yuri Gagarin, who flew the Vostok 1 spaceship on April 12, 1961. In 2011, Yur ...

(

) **

Halifax Day The following are minor or locally celebrated holidays related to the American Revolution. A Great Jubilee Day A Great Jubilee Day, first organized May 26, 1783 in North Stratford, now Trumbull, Connecticut, celebrated end of major fighting in ...

(

North Carolina North Carolina () is a state in the Southeastern region of the United States. The state is the 28th largest and 9th-most populous of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, Georgia and So ...

) ** National Grilled Cheese Sandwich Day (United States) **

National Redemption Day The following are public holidays in Liberia. Public holidays Former public holidays References {{DEFAULTSORT:Public Holidays In Liberia Holidays Liberian culture Liberia Liberia (), officially the Republic of Liberia, is a co ...

(Liberia) ** Walk on Your Wild Side Day *

April 13 Events Pre-1600 *1111 – Henry V is crowned Holy Roman Emperor. * 1204 – Constantinople falls to the Crusaders of the Fourth Crusade, temporarily ending the Byzantine Empire. 1601–1900 *1612 – In one of the epic samurai ...

Jefferson's Birthday Jefferson's Birthday officially honors the birth of the third U.S. president, Thomas Jefferson Thomas Jefferson (April 13, 1743 – July 4, 1826) was an American statesman, diplomat, lawyer, architect, philosopher, and Founding Fathers of ...

(United States) ** Katyn Memorial Day (

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populous ...

) **

Teacher's Day Teachers' Day is a special day for the appreciation of teachers, and may include celebrations to honor them for their special contributions in a particular field area, or the community tone in education. This is the primary reason why countries ce ...

(

Ecuador Ecuador ( ; ; Quechua: ''Ikwayur''; Shuar: ''Ecuador'' or ''Ekuatur''), officially the Republic of Ecuador ( es, República del Ecuador, which literally translates as "Republic of the Equator"; Quechua: ''Ikwadur Ripuwlika''; Shuar: ''Eku ...

) **First day of

Thingyan Thingyan (, ; Arakanese: ; from Sanskrit '' saṁkrānti,'' which means "transit f the Sun from Pisces to Aries) is the Burmese New Year Festival that usually occurs in middle of April. Thingyan is the first ever water festival celebrated in ...

(

Myanmar Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...

) (April 13–16) ** Unfairly Prosecuted Persons Day (

Slovakia Slovakia (; sk, Slovensko ), officially the Slovak Republic ( sk, Slovenská republika, links=no ), is a landlocked country in Central Europe. It is bordered by Poland to the north, Ukraine to the east, Hungary to the south, Austria to the s ...

) *

April 14 Events Pre-1600 * 43 BC – Legions loyal to the Roman Senate, commanded by Gaius Pansa, defeat the forces of Mark Antony in the Battle of Forum Gallorum. * 69 – Vitellius, commanding Rhine-based armies, defeats Roman emperor Otho ...

** ʔabusibaree (

Okinawa Islands The Okinawa Islands ( or ) are an island group in Okinawa Prefecture, Japan and are the principal island group of the prefecture. The Okinawa Islands are part of the larger Ryukyu Islands group and are located between the Amami Islands of Ka ...

, Japan) **

Ambedkar Jayanti Ambedkar Jayanti or Bhim Jayanti is an annual festival observed on 14 April to commemorate the memory of B. R. Ambedkar, Indian politician and civil rights activist. It marks Dr. Babasaheb Ambedkar's birthday who was born on 14 April 1891. Si ...

(India) **

Black Day (South Korea) Black Day (Korean: 블랙데이) is an unofficial holiday observed on April 14 each year. It is mostly observed in South Korea by singles. The day is associated with Valentine's Day and White Day as a holiday on the 14th day of the month. On this ...

Commemoration of Anfal Genocide Against the Kurds This is a list of public holidays in Iraq. Other important dates These are working days at the KRG Council of Ministers, and businesses are open. Special events take place around the Iraqi Kurdistan Region to mark these dates. *10 February: Ku ...

(

) **

Dhivehi Language Day Maldivian, also known by its endonym Dhivehi or Divehi ( ; '' dv, links=no, ދިވެހި'', ), is an Indo-Aryan languages, Indo-Aryan language spoken in the South Asian island country of Maldives and on Minicoy, Minicoy Island, Lakshadweep, u ...

(Maldives) **

Day of Mologa Mologa (russian: Моло́га) was a town in Yaroslavl Oblast, Russia, formerly situated at the confluence of the rivers Mologa and Volga, but now submerged under the waters of the Rybinsk Reservoir. Mologa existed at least since the 12th cen ...

(

Yaroslavl Oblast Yaroslavl Oblast (russian: Яросла́вская о́бласть, ''Yaroslavskaya oblast'') is a federal subject of Russia (an oblast), which is located in the Central Federal District, surrounded by Tver, Moscow, Ivanovo, Vladimir, Kostroma ...

, Russia) ** Day of the Georgian language (

Georgia (country) Georgia (, ; ) is a transcontinental country at the intersection of Eastern Europe and Western Asia. It is part of the Caucasus region, bounded by the Black Sea to the west, by Russia to the north and northeast, by Turkey to the southwest ...

) ** Season of Emancipation (April 14 to August 23) (Barbados) ** N'Ko Alphabet Day ( Mande speakers) **

Pohela Boishakh Pohela Boishakh ( bn, পহেলা বৈশাখ) is the first day of the Bengali calendar which is also the official calendar of Bangladesh. This festival is celebrated on 14 April in Bangladesh and 15 April in the Indian states of We ...

(Bangladesh) **

Pana Sankranti Pana Sankranti, ( or, ପଣା ସଙ୍କ୍ରାନ୍ତି) also known as Maha Bishuba Sankranti ( or, ମହା ବିଷୁବ ସଙ୍କ୍ରାନ୍ତି), is the traditional new year day festival of Odia people in Odisha, India. ...

(

, India) **

Puthandu Puthandu (), also known as Puthuvarudam, and the Tamil New Year, is the first day of year on the Tamil calendar, traditionally celebrated as a festival by Tamil Hindus. The festival date is set with the solar cycle of the lunisolar Hindu cal ...

(

Tamils The Tamil people, also known as Tamilar ( ta, தமிழர், Tamiḻar, translit-std=ISO, in the singular or ta, தமிழர்கள், Tamiḻarkaḷ, translit-std=ISO, label=none, in the plural), or simply Tamils (), are a Drav ...

) (India, Malaysia, Singapore, Sri Lanka) **Second day of

Songkran (Thailand) Songkran ( th, เทศกาลสงกรานต์, ) is the Thai New Year's national holiday. Songkran is on 13 April every year, but the holiday period extends from 14 to 15 April. In 2018 the Thai cabinet extended the festival ...

(Thailand) **

Pan American Day Pan American Day is a holiday observed by several countries in North and South America. It commemorates the First International Conference of American States which concluded on April 14, 1890, creating the International Union of American Republ ...

(several countries in the Americas) **The first day of Takayama Spring Festival (

Takayama, Gifu file:高山市役所.JPG, Takayama City Hall is a Cities of Japan, city located in Gifu Prefecture, Japan. , the city had an estimated population of 88,473 in 35,644 households, and a population density of 41 persons per km2. The total area of ...

, Japan) **

Vaisakh Vaisakh ( pa, ਵਿਸਾਖ, ) is the second month in the Nanakshahi calendar. This month coincides with April and May in the Gregorian calendar and to Vaisakha in the Hindu calendar and the Indian national calendar; it comprises the time of c ...

(

Punjab (region) Punjab (; Punjabi: پنجاب ; ਪੰਜਾਬ ; ; also romanised as ''Panjāb'' or ''Panj-Āb'') is a geopolitical, cultural, and historical region in South Asia, specifically in the northern part of the Indian subcontinent, comprising ...

), (India and Pakistan) **

Youth Day (Angola) Angola has twelve public holidays that can be increased by bridge holidays if a holiday falls on a Tuesday or Thursday. 2022 has fifteen national holidays. Notes References Angola , national_anthem = " Angola Avante"() ...

April 15 Events Pre-1600 * 769 – The Lateran Council ends by condemning the Council of Hieria and anathematizing its iconoclastic rulings. * 1071 – Bari, the last Byzantine possession in southern Italy, is surrendered to Robert Guiscar ...

Day of the Sun The Day of the Sun () is an annual public holiday in North Korea on 15 April, the birth anniversary of Kim Il-sung, founder and Eternal President of North Korea. It is the most important national holiday in the country, and is considered to be ...

(North Korea). ** Hillsborough Disaster Memorial (

Liverpool Liverpool is a city and metropolitan borough in Merseyside, England. With a population of in 2019, it is the 10th largest English district by population and its metropolitan area is the fifth largest in the United Kingdom, with a popul ...

, England) **

Jackie Robinson Day Jackie Robinson Day is a traditional event which occurs annually on April 15 in Major League Baseball (MLB), commemorating and honoring the day Jackie Robinson made his major league debut. Celebrated at MLB ballparks, on that one day, all player ...

(United States) **

(

West Bengal West Bengal (, Bengali: ''Poshchim Bongo'', , abbr. WB) is a state in the eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabitants within an area of . West Bengal is the fourt ...

, India) (Note: celebrated on

in Bangladesh) **Last day of

(Thailand) **

Tax Day In the United States, Tax Day is the day on which individual income tax returns are due to be submitted to the federal government. Since 1955, Tax Day has typically fallen on or just after April 15. Tax Day was first introduced in 1913, when th ...

, the official deadline for filing an individual

tax return A tax return is the completion of documentation that calculates an entity or individual's income earned and the amount of taxes to be paid to the government or government organizations or, potentially, back to the taxpayer. Taxation is one of ...

(or requesting an extension). (United States, Philippines) ** Universal Day of Culture **

World Art Day World Art Day is an international celebration of the fine arts which was declared by the International Association of Art (IAA) in order to promote awareness of creative activity worldwide. Establishment A proposal was put forward at the 17th Gene ...

April 16 Events Pre-1600 * 1457 BC – Battle of Megido - the first battle to have been recorded in what is accepted as relatively reliable detail. * 69 – Defeated by Vitellius' troops at Bedriacum, Otho commits suicide. * 73 – Masad ...

Birthday of José de Diego Puerto Rico celebrates all official U.S. holidays, and a number of other official holidays established by the Commonwealth government. Additionally, many municipalities celebrate their own Patron Saint Festivals (''fiestas patronales'' in Span ...

(Puerto Rico, United States) **

Birthday of Queen Margrethe II Public holidays in Denmark Other special days Some of these days derive from politics, and some from Roman Catholic traditions that predate the current national church. Some are simply the Scandinavian tradition of starting the celebrations ...

(Denmark) **

Emancipation Day Emancipation Day is observed in many former European colonies in the Caribbean and areas of the United States on various dates to commemorate the emancipation of slaves of African descent. On August 1, 1985, Trinidad and Tobago became the fir ...

(

Washington, D.C. ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, ...

, United States) ** Foursquare Day (

) **

Memorial Day for the Victims of the Holocaust A number of public holidays and special events take place each year in Hungary. Fixed public holidays Article J of the Constitution of Hungary on national holidays (1) The national holidays of Hungary shall be: a) the 15th day of March, in me ...

(Hungary) ** National Healthcare Decisions Day (United States) **

Remembrance of Chemical Attack on Balisan and Sheikh Wasan This is a list of public holidays in Iraq. Other important dates These are working days at the KRG Council of Ministers, and businesses are open. Special events take place around the Iraqi Kurdistan Region to mark these dates. *10 February: Kur ...

(

) **

World Voice Day World Voice Day (WVD) is a worldwide annual event that takes place on April 16 devoted to the celebration of the phenomenon of voice. /sup>The aim is to demonstrate the enormous importance of the voice in the daily lives of all people. Voice is a ...

April 17 Events Pre-1600 *1080 – Harald III of Denmark dies and is succeeded by Canute IV, who would later be the first Dane to be canonized. *1349 – The rule of the Bavand dynasty in Mazandaran is brought to an end by the murder of Hasan ...

** Blah Blah Blah Day **

Evacuation Day (Syria) Evacuation Day ( ar, عيد الجلاء, ʿīd al-jalāʾ, also known as Jalaa Day or Clearance Day), is Syria's national day commemorating the evacuation of the last French soldier at the end of the French mandate of Syria on 17 April 1946 aft ...

FAO Day This is a list of public holidays in Iraq. Other important dates These are working days at the KRG Council of Ministers, and businesses are open. Special events take place around the Iraqi Kurdistan Region to mark these dates. *10 February: Ku ...

(Iraq) **

Flag Day (American Samoa) The flag of American Samoa is a flag consisting of a red-edged white triangle pointing towards the hoist charged with a bald eagle clutching a war club and fly-whisk, with dark blue upper and lower triangles. Adopted in April 1960 to replace the " ...

** Malbec World Day ** National Cheeseball Day (United States) ** National Espresso Day (Italy) ** Women's Day (Gabon) **

World Hemophilia Day The World Federation of Hemophilia (WFH) is an international non-profit organization dedicated to improving the lives of people with hemophilia (also spelled haemophilia) and other genetic bleeding disorders. It educates people with bleeding di ...

April 18 Events Pre-1600 * 796 – King Æthelred I of Northumbria is murdered in Corbridge by a group led by his ealdormen, Ealdred and Wada. The ''patrician'' Osbald is crowned, but abdicates within 27 days. * 1428 – Peace of Ferrara betw ...

** Anniversary of the Victory over the Teutonic Knights in the Battle of the Ice, 1242 (Russia) **

Army Day (Iran) Many nations around the world observe some kind of Armed Forces Day to honor their military forces. This day is not to be confused with Veterans Day or Memorial Day. Africa Egypt In Egypt, Armed Forces Day is celebrated on 6 October, ...

Coma Patients' Day Holidays in Poland are regulated by the Non-working Days Act of 18 January 1951 (Ustawa z dnia 18 stycznia 1951 o dniach wolnych od pracy; Journal of Laws 1951 No. 4, Item 28). The Act, as amended in 2010, currently defines thirteen public holiday ...

(Poland) ** Friend's Day (Brazil) **

Independence Day (Zimbabwe) The following is a list of holidays in Zimbabwe: Public holidays are as detailed in thPublic Holidays and Prohibition of Business Act(Chapter 10:21), its various amendments and General Notices See also Public Holidays 2017Public Holidays 2016 ...

International Day For Monuments and Sites The International Day for Monuments and Sites also known as World Heritage Day is an international observance held on 18 April each year around the world with different types of activities, including visits to monuments and heritage sites, con ...

** Invention Day (Japan) ** Pet Owner's Independence Day *

April 19 Events Pre-1600 * AD 65 – The freedman Milichus betrays Piso's plot to kill the Emperor Nero and all the conspirators are arrested. * 531 – Battle of Callinicum: A Byzantine army under Belisarius is defeated by the Persi ...

Army Day (Brazil) Many nations around the world observe some kind of Armed Forces Day to honor their military forces. This day is not to be confused with Veterans Day or Memorial Day. Africa Egypt In Egypt, Armed Forces Day is celebrated on 6 October, ...

Beginning of the Independence Movement The table below shows a list of the most notable holidays in Venezuela. Popular and public holidays are included in the list. Other public holidays may be observed. In 2019, several days were announced as national holidays based on widespread bla ...

(Venezuela) ** Bicycle Day **

Dutch-American Friendship Day Dutch Americans ( nl, Nederlandse Amerikanen) are Americans of Dutch people, Dutch descent whose ancestors came from the Netherlands in the recent or distant past. Dutch settlement in the Americas started in 1613 with New Amsterdam, which was e ...

(United States) **

Holocaust Remembrance Day Yom HaZikaron laShoah ve-laG'vurah ( he, יום הזיכרון לשואה ולגבורה, , lit=Holocaust and Heroism Remembrance Day), known colloquially in Israel and abroad as Yom HaShoah (יום השואה) and in English as Holocaust Reme ...

(Poland) **

Indian Day (Brazil) In Brazil, ''Dia do Índio ("''Day of the Indian''"''), observed annually on April 19, recognizes and honours the indigenous peoples of Brazil. The date was created by President Getúlio Vargas by a decree in 1943, and recalls the day (April 19) ...

** King Mswati III's birthday (Eswatini) **

Landing of the 33 Patriots Day 19 April is the anniversary of the Landing of the 33 Patriots in Uruguay, also known as the Thirty-Three Orientals, called 'Orientals' because Uruguay was known as the Banda Oriental, or the "Eastern Bank" of the Río de la Plata, the western shor ...

(Uruguay) ** National Garlic Day (United States) ** National Rice Ball Day (United States) **

Primrose Day Primrose Day marked the anniversary of the death of the British statesman and prime minister Benjamin Disraeli, 1st Earl of Beaconsfield, on 19 April 1881. The day was marked each year into the 1920s, with arrangements of primroses left at Disra ...

(United Kingdom) *

April 20 Events Pre-1600 * 1303 – The Sapienza University of Rome is instituted by a bull of Pope Boniface VIII. 1601–1900 * 1653 – Oliver Cromwell dissolves England's Rump Parliament. * 1657 – English Admiral Robert Blake destroy ...

420 (cannabis culture) 420, 4:20 or 4/20 (pronounced four-twenty) is cannabis culture slang for marijuana and hashish consumption, especially smoking around the time 4:20 pm (16:20). It also refers to cannabis-oriented celebrations that take place annually on Apr ...

(International) **

UN Chinese Language Day __NOTOC__ UN Chinese Language Day () is observed annually on April 20. The event was established by the UN Department of Public Information in 2010, seeking "to celebrate multilingualism and cultural diversity as well as to promote equal use of a ...

(

) *

April 21 Events Pre-1600 *753 BC – Romulus founds Rome ( traditional date). * 43 BC – Battle of Mutina: Mark Antony is again defeated in battle by Aulus Hirtius, who is killed. Antony fails to capture Mutina and Decimus Brutus is murdered ...

** A&M Day (

Texas A&M University Texas A&M University (Texas A&M, A&M, or TAMU) is a public, land-grant, research university in College Station, Texas. It was founded in 1876 and became the flagship institution of the Texas A&M University System in 1948. As of late 2021, T ...

) **

(India) ** Day of Local Self-Government (Russia) **

Grounation Day Grounation Day (April 21) is an important Rastafari holy day, second only to Coronation Day (November 2). It is celebrated in honour of Haile Selassie's 1966 visit to Jamaica. Visit of Selassie to Jamaica Haile Selassie had already met with se ...

(

Rastafari movement Rastafari, sometimes called Rastafarianism, is a religion that developed in Jamaica during the 1930s. It is classified as both a new religious movement and a social movement by scholars of religion. There is no central authority in control o ...

) ** Heroic Defense of Veracruz (Mexico) ** Kang Pan-sok's Birthday (North Korea) **

Kartini Day The following table indicates declared Indonesian government national holidays. Cultural variants also provide opportunity for holidays tied to local events. Beside official holidays, there are the so-called "''libur bersama''" or "'' cuti bers ...

(Indonesia) ** Local Self Government Day (Russia) ** National Tree Planting Day (Kenya) **

San Jacinto Day San Jacinto Day is the celebration of the Battle of San Jacinto on April 21, 1836. It was the final battle of the Texas Revolution where Texas won its independence from Mexico. It is an official "partial staffing holiday" in the State of Texas ...

(

) **

(

Falkland Islands The Falkland Islands (; es, Islas Malvinas, link=no ) is an archipelago in the South Atlantic Ocean on the Patagonian Shelf. The principal islands are about east of South America's southern Patagonian coast and about from Cape Dubouzet ...

) ** Tiradentes' Day (Brazil) **

Vietnam Book Day Public holidays Public holidays in Vietnam are days when workers get the day off work. Prior to 2007, Vietnamese workers observed 8 days of public holiday a year, among the lowest in the region. On 28 March 2007 the government added the traditio ...

(Vietnam) *

April 22 Events Pre-1600 * 1500 – Portuguese navigator Pedro Álvares Cabral lands in Brazil. * 1519 – Spanish conquistador Hernán Cortés establishes a settlement at Veracruz, Mexico. * 1529 – Treaty of Zaragoza divides the eastern ...

Discovery Day Discovery Day is the name of several holidays commemorating the discovery of land, gold, and other significant national discoveries. The Bahamas The Bahamas Discovery Day was a public holiday on October 12, that celebrated the arrival of Christoph ...

(Brazil) **

Earth Day Earth Day is an annual event on April 22 to demonstrate support for environmental protection. First held on April 22, 1970, it now includes a wide range of events coordinated globally by EarthDay.org (formerly Earth Day Network) including 1 b ...

(

) and its related observance: *** International Mother Earth Day **

(Serbia) ** National Jelly Bean Day (United States) *

April 23 Events Pre-1600 * 215 BC – A temple is built on the Capitoline Hill dedicated to Venus Erycina to commemorate the Roman defeat at Lake Trasimene. * 599 – Maya king Uneh Chan of Calakmul attacks rival city-state Palenque in southe ...

Castile and León Day Castile and León Day ( es, Día de Castilla y León) is a holiday celebrated on April 23 in the autonomous community of Castile and León, a subdivision of Spain. The date is the anniversary of the Battle of Villalar, in which Castilian rebels ...

(

Castile and León Castile and León ( es, Castilla y León ; ast-leo, Castiella y Llión ; gl, Castela e León ) is an autonomous community in northwestern Spain. It was created in 1983, eight years after the end of the Francoist regime, by the merging of the ...

, Spain) ** German Beer Day (Germany) **

Independence Day An independence day is an annual event commemorating the anniversary of a nation's independence or statehood, usually after ceasing to be a group or part of another nation or state, or more rarely after the end of a military occupation. Man ...

(

Conch Republic The Conch Republic () is a micronation declared as a tongue-in-cheek secession of the city of Key West, Florida, from the United States on April 23, 1982. It has been maintained as a tourism booster for the city. Since then, the term "Conch Rep ...

Key West, Florida Key West ( es, Cayo Hueso) is an island in the Straits of Florida, within the U.S. state of Florida. Together with all or parts of the separate islands of Sigsbee Park, Dredgers Key, Fleming Key, Sunset Key, and the northern part of Stock Isla ...

) ** International Pixel-Stained Technopeasant Day ** Khongjom Day (

Manipur Manipur () ( mni, Kangleipak) is a state in Northeast India, with the city of Imphal as its capital. It is bounded by the Indian states of Nagaland to the north, Mizoram to the south and Assam to the west. It also borders two regions of Myanm ...

, India) **

National Sovereignty and Children's Day National Sovereignty and Children's Day ( tr, Ulusal Egemenlik ve Çocuk Bayramı) is a Public holidays in Turkey, public holiday in Turkey commemorating the foundation of the Grand National Assembly of Turkey, on 23 April 1920. It is also observ ...

(Turkey and Northern Cyprus) **

Navy Day (China) Several nations observe or have observed a Navy Day to recognize their navy. By country Argentina The Argentine Navy day is celebrated on May 17, anniversary of the victory achieved in 1814 in the action of 14 May 1814, Battle of Montev ...

St George's Day Saint George's Day is the feast day of Saint George, celebrated by Christian churches, countries, and cities of which he is the patron saint, including Bulgaria, England, Georgia, Portugal, Romania, Cáceres, Alcoy, Aragon and Catalonia. Sa ...

(England) and its related observances: ***

Canada Book Day Canada Book Day is a yearly event celebrated in Canada on April 23 to promote reading and books during Canada Book Week. Canada Book Week takes place on the week of April 23. Canada Book Day is celebrated on the same day as World Book and Copyrigh ...

(Canada) ***

La Diada de Sant Jordi LA most frequently refers to Los Angeles, the second largest city in the United States. La, LA, or L.A. may also refer to: Arts and entertainment Music * La (musical note), or A, the sixth note * "L.A.", a song by Elliott Smith on ''Figur ...

(

Catalonia Catalonia (; ca, Catalunya ; Aranese Occitan: ''Catalonha'' ; es, Cataluña ) is an autonomous community of Spain, designated as a ''nationality'' by its Statute of Autonomy. Most of the territory (except the Val d'Aran) lies on the north ...

, Spain) ***

World Book Day World Book Day, also known as World Book and Copyright Day or International Day of the Book, is an annual event organized by the United Nations Educational, Scientific and Cultural Organization (UNESCO) to promote reading, publishing, and copyrig ...

UN English Language Day __NOTOC__ UN English Day is observed annually on 23 April.UN launc ...

(

) *

April 24 Events Pre-1600 * 1479 BC – Thutmose III ascends to the throne of Egypt, although power effectively shifts to Hatshepsut (according to the Low Chronology of the 18th dynasty). * 1183 BC – Traditional reckoning of the Fall of Troy m ...

Armenian Genocide Remembrance Day Armenian Genocide Remembrance Day ( hy, Մեծ Եղեռնի զոհերի հիշատակի օր ''Mets Yegherrni zoheri hishataki or'') or Armenian Genocide Memorial Day is a public holiday in Armenia and the Republic of Artsakh and is observed ...

(Armenia) **

Concord Day National Day of Concorde (french: italic=yes, Journée nationale de la Concorde, Fête nationale de la Concorde) is a national holiday in Niger, celebrated every 24 April since 1995. History Concord Day marks the anniversary of the signing of the 2 ...

(Niger) **

Children's Day (Zambia) Children's Day is a commemorative date celebrated annually in honor of children, whose date of observance varies by country. In 1925, International Children's Day was first proclaimed in Geneva during the World Conference on Child Welfare. Sin ...

Democracy Day (Nepal) The 2006 Democracy Movement ( ne, text=लोकतन्त्र आन्दोलन, translit=Loktantra Āndolan) is a name given to the political agitations against the direct and undemocratic rule of King Gyanendra of Nepal. The movement ...

** Fashion Revolution Day ** Flag Day (Ireland) ** International Sculpture Day **

Kapyong Day The Battle of Kapyong (or Gapyeong) ( ko, 가평전투, 22–25 April 1951), also known as the Battle of Jiaping (), was fought during the Korean War between United Nations Command (UN) forces—primarily Canadian, Australian, and New Zealand� ...

(Australia) ** Labour Safety Day (Bangladesh) **

National Panchayati Raj Day National Panchayati Raj Day (''National Local Self-Government day'') is the national day of Panchayati Raj System in India celebrated by Ministry of Panchayati Raj on 24 April annually. Panchayati Raj was constitutionalised through the 73rd Con ...

(India) ** National Pigs in a Blanket Day (United States) ** Republic Day (The Gambia) **

St Mark's Eve St. Mark's Eve is the day before the feast day of St. Mark the Evangelist. In liturgical Christian churches, this feast of St. Mark is observed on 25 April of each year; thus St. Mark's Eve is 24 April. English folklore It was the custom in vil ...

(

Western Christianity Western Christianity is one of two sub-divisions of Christianity ( Eastern Christianity being the other). Western Christianity is composed of the Latin Church and Western Protestantism, together with their offshoots such as the Old Catholic ...

) **

World Day for Laboratory Animals World Day For Animals In Laboratories (WDAIL; also known as World Lab Animal Day) is observed every year on 24 April. The surrounding week has come to be known as "World Week for Animals In Laboratories". The National Anti-Vivisection Society (NAV ...

April 25 Events Pre-1600 * 404 BC – Admiral Lysander and King Pausanias of Sparta blockade Athens and bring the Peloponnesian War to a successful conclusion. * 775 – The Battle of Bagrevand puts an end to an Armenian rebellion against the ...

Anniversary of the First Cabinet of Kurdish Government This is a list of public holidays in Iraq. Other important dates These are working days at the KRG Council of Ministers, and businesses are open. Special events take place around the Iraqi Kurdistan Region to mark these dates. *10 February: Ku ...

(

) **

Anzac Day , image = Dawn service gnangarra 03.jpg , caption = Anzac Day Dawn Service at Kings Park, Western Australia, 25 April 2009, 94th anniversary. , observedby = Australia Christmas Island Cocos (Keeling) Islands Cook Islands New ...

(Australia, New Zealand) **

Arbor Day (Germany) Arbor Day (or Arbour in some countries) is a secular day of observance in which individuals and groups are encouraged to plant trees. Today, many countries observe such a holiday. Though usually observed in the spring, the date varies, dependi ...

DNA Day National DNA Day is a United States holiday celebrated on April 25. It commemorates the day in 1953 when James Watson, Francis Crick, Maurice Wilkins, Rosalind Franklin and colleagues published papers in the journal ''Nature'' on the struct ...

** Feast of Saint Mark (

) **

Flag Day (Faroe Islands) The Faroe Islands ( ), or simply the Faroes ( fo, Føroyar ; da, Færøerne ), are a North Atlantic island group and an autonomous territory of the Kingdom of Denmark. They are located north-northwest of Scotland, and about halfway betwee ...

** Flag Day (Eswatini) **

Freedom Day (Portugal) The Carnation Revolution ( pt, Revolução dos Cravos), also known as the 25 April ( pt, 25 de Abril, links=no), was a military coup by left-leaning military officers that overthrew the authoritarian Estado Novo regime on 25 April 1974 in Lisb ...

Liberation Day (Italy) Liberation Day ( it, Festa della liberazione), also known as the Anniversary of Italy's Liberation (), Anniversary of the Resistance (), or simply 25 April () is a national holiday in Italy that commemorates the victory of the Italian resistance m ...

** Major Rogation (

) **

Military Foundation Day Military Foundation Day( ko, 조선인민군 창건일) is an annual public holiday in North Korea falling on 25 April. Background North Korean historiography has two competing dates for the founding of the modern Korean People's Army (KPA): ...

(North Korea) ** National Zucchini Bread Day (United States) ** Parental Alienation Awareness Day **

Red Hat Society Day The Red Hat Society (RHS) is an international social organization that was founded in 1998 in the United States for women age 50 and beyond, but now open to women of all ages. History In the fall of 1997, Sue Ellen Cooper, an artist from ...

Sinai Liberation Day Sinai Liberation day is a public holiday in Egypt which celebrates the liberation of the land of Sinai from occupation back to Egyptian sovereignty. It is the anniversary of the liberation of the peninsula of Sinai corresponding to April 25 of ea ...

(Egypt) **

World Malaria Day World Malaria Day (WMD) is an list of minor secular observances#April, international observance commemorated every year on 25 April and recognizes global efforts to control malaria. Globally, 3.3 billion people in 106 countries are at risk of mala ...

April 26 Events Pre-1600 * 1336 – Francesco Petrarca (Petrarch) ascends Mont Ventoux. *1348 – Czech king Karel IV founds the Charles University in Prague, which was later named after him and was the first university in Central Europe. * 1 ...

Chernobyl disaster The Chernobyl disaster was a nuclear accident that occurred on 26 April 1986 at the No. 4 reactor in the Chernobyl Nuclear Power Plant, near the city of Pripyat in the north of the Ukrainian SSR in the Soviet Union. It is one of only two nuc ...

related observances: *** Memorial Day of Radiation Accidents and Catastrophes (Russia) ***

Day of Remembrance of the Chernobyl tragedy National holidays in Belarus are classified into state holidays and other holidays and commemorative days, including religious holidays. Nine of them are non-working days. Public holidays (non-working days) Other holidays State Comm ...

(Belarus) **

(

, United States) **

Hug A Friend Day Lists of holidays by various categorizations. Religious holidays Abrahamic holidays (Middle Eastern) Jewish holidays *Chag HaMatzot (Feast of Unleavened bread, Unleavened Bread – 7 days of consumption of matzo with wine and avoidance ...

** Hug an Australian Day **

Lesbian Visibility Day Lesbian Visibility Week (related to Lesbian Visibility Day) is an annual observance in the United States, the United Kingdom and other countries dedicated to increasing the awareness of lesbian women and their issues. It was originally celebrat ...

** National Pretzel Day (United States) ** Old Permic Alphabet Day **

Union Day (Tanzania) Public holidays in Tanzania are in accordance with the Public Holidays Ordinance (Amended) Act, 1966 and are observed throughout the nation. Background The Public Holidays Ordinance (Amended) Act, 1966 lists twelve public holidays in its schedule ...

** World Intellectual Property Day *

April 27 Events Pre-1600 * 247 – Philip the Arab marks the millennium of Rome with a celebration of the ''ludi saeculares''. * 395 – Emperor Arcadius marries Aelia Eudoxia, daughter of the Frankish general Flavius Bauto. She becomes one of ...

** Day of Russian Parliamentarism (Russia) ** Day of the Uprising Against the Occupying Forces (Slovenia) ** Flag Day (Moldova) **

Freedom Day (South Africa) Freedom Day is a public holiday in South Africa celebrated on 27 April. It celebrates freedom and commemorates the first post-apartheid elections held on that day in 1994. The elections were the first non-racial national elections where eve ...

***

UnFreedom Day UnFreedom Day is an unofficial annual event that is marked every year on or around 27 April. UnFreedom Day is organised to counter the official South African holiday called Freedom Day, an annual celebration of South Africa's first democratic el ...

Independence Day (Sierra Leone) :This is a list of holidays in Sierra Leone. National holidays are non-working days only, and employers have to give workers the day off but they do not have to pay them. Businesses are not required to close. Public holidays References S ...

** Independence Day (Togo) ** National Day (

Mayotte Mayotte (; french: Mayotte, ; Shimaore: ''Maore'', ; Kibushi: ''Maori'', ), officially the Department of Mayotte (french: Département de Mayotte), is an overseas department and region and single territorial collectivity of France. It is loc ...

) ** National Day (Sierra Leone) ** National Prime Rib Day (United States) ** National Veterans' Day (Finland) *

April 28 Events Pre-1600 * 224 – The Battle of Hormozdgan is fought. Ardashir I defeats and kills Artabanus V effectively ending the Parthian Empire. * 357 – Emperor Constantius II enters Rome for the first time to celebrate his victory ...

Lawyers' Day Lawyers' Day is celebrated across Odisha in India on April 28th every year to commemorate the birth anniversary of Madhusudan Das, an Oriya lawyer of the British British may refer to: Peoples, culture, and language * British people, nationals ...

(

Orissa, India Odisha (English: , ), formerly Orissa ( the official name until 2011), is an Indian state located in Eastern India. It is the 8th largest state by area, and the 11th largest by population. The state has the third largest population of Sch ...

) **

Mujahideen Victory Day Mujahideen Victory Day is a political holiday observed in all parts of Afghanistan, falling on the 28 April each year. It commemorates the day when Mujahideen rebel forces overthrew the Communist regime in 1992. It is celebrated mostly by former ...

(Afghanistan) ** National Day (

Sardinia Sardinia ( ; it, Sardegna, label=Italian, Corsican and Tabarchino ; sc, Sardigna , sdc, Sardhigna; french: Sardaigne; sdn, Saldigna; ca, Sardenya, label=Algherese and Catalan) is the second-largest island in the Mediterranean Sea, after ...

, Italy) ** National Heroes Day (Barbados) **

Restoration of Sovereignty Day The is a new public commemorative event on 28 April, proposed by Japanese Prime Minister Shinzō Abe in 2012 and first formally celebrated in 2013. It marks the end of the American occupation of Japan on 28 April 1952. It has been described as "pa ...

(Japan) ** Workers' Memorial Day and World Day for Safety and Health at Work (

international International is an adjective (also used as a noun) meaning "between nations". International may also refer to: Music Albums * ''International'' (Kevin Michael album), 2011 * ''International'' (New Order album), 2002 * ''International'' (The T ...

) ***

National Day of Mourning A national day of mourning is a day or days marked by mourning and memorial activities observed among the majority of a country's populace. They are designated by the national government. Such days include those marking the death or funeral of ...

(Canada) *

April 29 Events Pre-1600 * 1091 – Battle of Levounion: The Pechenegs are defeated by Byzantine Emperor Alexios I Komnenos. * 1386 – Battle of the Vikhra River: The Principality of Smolensk is defeated by the Grand Duchy of Lithuania and b ...

Day of Remembrance for all Victims of Chemical Warfare The Day of Remembrance for All Victims of Chemical Warfare is an annual event held November 30 as a "tribute to the victims of chemical warfare, as well as to reaffirm the commitment of the Organisation for the Prohibition of Chemical Weapons (O ...

(

) **

International Dance Day the performing arts of UNESCO. The event takes place every year on 29 April, which is the anniversary of the birth of Jean-Georges Noverre (1727–1810), who is considered to be the "father" or creator of modern ballet (ie. classical or romanti ...

(

UNESCO The United Nations Educational, Scientific and Cultural Organization is a specialized agency of the United Nations (UN) aimed at promoting world peace and security through international cooperation in education, arts, sciences and culture. It ...

) ** Princess Bedike's Birthday (Denmark) ** National Shrimp Scampi Day (United States) **

Shōwa Day is a public holiday in Japan held on April 29. It honors the birthday of Emperor Shōwa (Hirohito), the reigning emperor from 1926 to 1989. Shō (昭) means “shining” or “bright”, and wa (和) means “peace”, signifying the "enlighte ...

, traditionally the start of the Golden Week holiday period, which is April 29 and May 3–5. (Japan) *

April 30 Events Pre-1600 * 311 – The Diocletianic Persecution of Christians in the Roman Empire ends. * 1315 – Enguerrand de Marigny is hanged at the instigation of Charles, Count of Valois. *1492 – Spain gives Christopher Columbus hi ...

Armed Forces Day Many nations around the world observe some kind of Armed Forces Day to honor their military forces. This day is not to be confused with Veterans Day or Memorial Day. Africa Egypt In Egypt, Armed Forces Day is celebrated on 6 October, ...

(

) ** Birthday of the King (Sweden) ** Camarón Day (

French Foreign Legion The French Foreign Legion (french: Légion étrangère) is a corps of the French Army which comprises several specialties: infantry, Armoured Cavalry Arm, cavalry, Military engineering, engineers, Airborne forces, airborne troops. It was created ...

) **

(Mexico) ** Consumer Protection Day (Thailand) **

Honesty Day Honesty Day is a holiday in the United States falling on April 30. It aims to encourage honesty and straightforward communication in politics, relationships, consumer relations and historical education. It was invented by M. Hirsh Goldberg, who chos ...

(United States) **

International Jazz Day International Jazz Day is an International Day declared by the United Nations Educational, Scientific and Cultural Organization in 2011 "to highlight jazz and its diplomatic role of uniting people in all corners of the globe." It is celebrated ...

(

) **

Martyr's Day Martyrs' Day is an annual day observed by nations to salute the martyrdom of soldiers who lost their lives defending the sovereignty of the nation. The actual date may vary from one country to another. Here is a list of countries and Martyrs' Days. ...

(Pakistan) **

May Eve Walpurgis Night (), an abbreviation of Saint Walpurgis Night (from the German ), also known as Saint Walpurga's Eve (alternatively spelled Saint Walburga's Eve), is the eve of the Christian feast day of Saint Walpurga, an 8th-century abbess i ...

, the eve of the first day of summer in the Northern hemisphere ''(see

May 1 Events Pre-1600 * 305 – Diocletian and Maximian retire from the office of Roman emperor. * 880 – The Nea Ekklesia is inaugurated in Constantinople, setting the model for all later cross-in-square Orthodox churches. *1169 – N ...

)'': ***

Beltane Beltane () is the Gaelic May Day festival. Commonly observed on the first of May, the festival falls midway between the spring equinox and summer solstice in the northern hemisphere. The festival name is synonymous with the month marking the ...

begins at sunset in the Northern hemisphere,

Samhain Samhain ( , , , ; gv, Sauin ) is a Gaelic festival on 1 NovemberÓ hÓgáin, Dáithí. ''Myth Legend and Romance: An Encyclopaedia of the Irish Folk Tradition''. Prentice Hall Press, 1991. p. 402. Quote: "The basic Irish division of the year ...

begins at sunset in the Southern hemisphere. (

Neo-Druidic Druidry, sometimes termed Druidism, is a modern spiritual or religious movement that promotes the cultivation of honorable relationships with the physical landscapes, flora, fauna, and diverse peoples of the world, as well as with nature deit ...

Wheel of the Year The Wheel of the Year is an annual cycle of seasonal festivals, observed by many modern pagans, consisting of the year's chief solar events (solstices and equinoxes) and the midpoints between them. While names for each festival vary among dive ...

) *** Carodejnice (Czech Republic and Slovakia) ***

Walpurgis Night Walpurgis Night (), an abbreviation of Saint Walpurgis Night (from the German ), also known as Saint Walpurga's Eve (alternatively spelled Saint Walburga's Eve), is the eve of the Christian feast day of Saint Walpurga, an 8th-century abbess in ...

(Central and Northern Europe) ** National Persian Gulf Day (Iran) **

Reunification Day Reunification Day ( vi, Ngày Thống nhất), Victory Day (), Liberation Day ( or ), or the official name Day of Southern Liberation for National Reunification () is a public holiday in Vietnam that marks the event when North Vietnamese and ...

(Vietnam) ** Russian State Fire Service Day (Russia) ** Tax Day (Canada) **

Teachers' Day Teachers' Day is a special day for the appreciation of teachers, and may include celebrations to honor them for their special contributions in a particular field area, or the community tone in education. This is the primary reason why countries ce ...

(Paraguay)

References

External links

National Arbor Day Foundation
{{Authority control *04

History

April symbols

April observances

Month-long observances

United States

United States Food months

Non-Gregorian observances: 2021

Movable observances, 2021 dates

First Wednesday: April 1

First Saturday: April 4

First Sunday: April 5

First full week: April 5–11

= Second Wednesday: April 8

= Second Thursday: April 9

= Second Friday of April: April 10

Second Sunday: April 12

Week of April 14: April 12–18

Third Wednesday: April 15

Third Thursday: April 16

Third Saturday: April 18

Last full week of April: April 19–25

Week of April 23: April 19–25

Week of the New Moon In astronomy, the new moon is the first lunar phase, when the Moon and Sun have the same ecliptic longitude. At this phase, the lunar disk is not visible to the naked eye, except when it is silhouetted against the Sun during a solar eclipse. ...: April 19–25

Third Monday: April 20

= Wednesday of last full week of April: April 22

First Thursday after April 18: April 23

= Fourth Thursday: April 23

= Last Friday: April 24

Last Friday in April to first Sunday in May: April 24-May 3

= Last Saturday: April 25

= Last Sunday: April 26

= April 27 (moves to April 26 if April 27 is on a Sunday): April 27

= Last Monday: April 27

= Last Wednesday: April 29

Fixed observances

See also

References

External links

Week of the
New Moon In astronomy, the new moon is the first lunar phase, when the Moon and Sun have the same ecliptic longitude. At this phase, the lunar disk is not visible to the naked eye, except when it is silhouetted against the Sun during a solar eclipse. ...
: April 19–25