May is the fifth month of the year in the Julian and

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 ...

s and is the third of seven months to have a length of 31 days. May is a month of

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 the Northern Hemisphere, and autumn in the Southern Hemisphere. Therefore, May in the Southern Hemisphere is the seasonal equivalent of November in the Northern Hemisphere and vice versa. Late May typically marks the start of the summer vacation season in the United States (

Memorial Day Memorial Day (originally known as Decoration Day) is a federal holiday in the United States for mourning the U.S. military personnel who have fought and died while serving in the United States armed forces. It is observed on the last Monda ...

) and Canada (

Victoria Day Victoria Day (french: Fête de la Reine, lit=Celebration of the Queen) is a federal Canadian public holiday celebrated on the last Monday preceding May 25. Initially in honour of Queen Victoria's birthday, it has since been celebrated as the offi ...

) that ends on Labor Day, the first Monday of September. May (in

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 ...

, '' Maius'') was named for the

Greek god The following is a list of gods, goddesses, and many other divine and semi-divine figures from ancient Greek mythology and ancient Greek religion. Immortals The Greeks created images of their deities for many purposes. A temple would house the ...

dess

Maia Maia (; Ancient Greek: Μαῖα; also spelled Maie, ; la, Maia), in ancient Greek religion and mythology, is one of the Pleiades and the mother of Hermes, one of the major Greek gods, by Zeus, the king of Olympus. Family Maia is the daugh ...

, who was identified with the

Roman era 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 BC ...

goddess of fertility,

Bona Dea Bona Dea (; 'Good Goddess') was a goddess in ancient Roman religion. She was associated with chastity and fertility in Roman women, healing, and the protection of the state and people of Rome. According to Roman literary sources, she was brought ...

, whose

festival A festival is an event ordinarily celebrated by a community and centering on some characteristic aspect or aspects of that community and its religion or cultures. It is often marked as a local or national holiday, mela, or eid. A festival ...

was held in May. Conversely, the Roman poet

Ovid Pūblius Ovidius Nāsō (; 20 March 43 BC – 17/18 AD), known in English as Ovid ( ), was a Roman poet who lived during the reign of Augustus. He was a contemporary of the older Virgil and Horace, with whom he is often ranked as one of the th ...

provides a second etymology, in which he says that the month of May is named for the ''maiores,'' Latin for "elders," and that the following month (June) is named for the ''iuniores,'' or "young people" (''Fasti VI.88''). Podophyllum peltatum Shenks Ferry 2

Lady of the Rosary altar, Inner City Parish Church, 2016 Budapest

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 appears in May. It is visible from about April 21 to about May 20 each year with peak activity on or around May 6. The Arietids shower from May 22 – July 2, and peaks on June 7. 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 May.

Ancient Roman observances

Under the calendar of ancient Rome, the festival of

fell on May 1, Argei fell on May 14 or May 15,

Agonalia An Agonalia or Agonia was an obscure archaic religious observance celebrated in ancient Rome several times a year, in honor of various divinities. Its institution, like that of other religious rites and ceremonies, was attributed to Numa Pomp ...

fell on May 21, and Ambarvalia on May 29. Floralia 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 Rep ...

, 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. Lemuria (festival) fell on 9,11, and 13 May under the Julian calendar. The College of Aesculapius and Hygia celebrated two festivals of Rosalia (festival), one on May 11 and one on May 22. Rosalia was also celebrated at

Pergamon Pergamon or Pergamum ( or ; grc-gre, Πέργαμον), also referred to by its modern Greek form Pergamos (), was a rich and powerful ancient Greek city in Mysia. It is located from the modern coastline of the Aegean Sea on a promontory on th ...

on May 24–26. A military Rosalia festival, Rosaliae signorum, also occurred on May 31. Ludi Fabarici was celebrated on May 29 – June 1. Mercury would receive a sacrifice on the Ides of May (May 15).

Tubilustrium In Ancient Rome the month of March was the traditional start of the campaign season, and the Tubilustrium was a ceremony to make the army fit for war. The ceremony involved sacred trumpets called ''tubae''. Johannes Quasten, however, argues ...

took place on May 23 as well as in March. These dates do not correspond to the modern

May symbols

May's birthstone is the emerald which is emblematic of love and success.

*The May birth flowers are the

Lily of the Valley Lily of the valley (''Convallaria majalis'' (), sometimes written lily-of-the-valley, is a woodland flowering plant with sweetly scented, pendent, bell-shaped white flowers borne in sprays in spring. It is native throughout the cool temperate No ...

and the ''

Crataegus monogyna ''Crataegus monogyna'', known as common hawthorn, one-seed hawthorn, or single-seeded hawthorn, is a species of flowering plant in the rose family Rosaceae. It is native to Europe, northwestern Africa, and West Asia, but has been introduced in ...

''. Both are native throughout the cool temperate Northern Hemisphere in Asia, Europe, and in the southern Appalachian Mountains in the United States, but have been naturalized throughout the temperate climatic world. :

The "Mayflower" ''

Epigaea repens ''Epigaea repens'', the mayflower, trailing arbutus, or ground laurel, is a low, spreading shrub in the family Ericaceae. It is found from Newfoundland to Florida, west to Kentucky and the Northwest Territories. Description The plant is a slow-g ...

'' is a North American harbinger of May, and the floral emblem of both

Nova Scotia Nova Scotia ( ; ; ) is one of the thirteen provinces and territories of Canada. It is one of the three Maritime provinces and one of the four Atlantic provinces. Nova Scotia is Latin for "New Scotland". Most of the population are native Eng ...

and

Massachusetts Massachusetts (Massachusett: ''Muhsachuweesut Massachusett_writing_systems.html" ;"title="nowiki/> məhswatʃəwiːsət.html" ;"title="Massachusett writing systems">məhswatʃəwiːsət">Massachusett writing systems">məhswatʃəwiːsət'' En ...

. Its native range extends from Newfoundland south to Florida, west to Kentucky in the southern range, and to Northwest Territories in the north. *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 apparent path of the Sun across the celestial sphere over the course of the year. The pat ...

signs for the month of May are

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 ...

(until May 20) and

Gemini Gemini may refer to: Space * Gemini (constellation), one of the constellations of the zodiac ** Gemini in Chinese astronomy * Project Gemini, the second U.S. crewed spaceflight program * Gemini Observatory, consisting of telescopes in the Norther ...

(May 21 onwards).. Signs in UT/GMT for 1950–2030.

May observances

Month-long observances

* Working class history month * Better Hearing and Speech Month * In Catholic tradition, May is the Month of the

Blessed Virgin Mary Mary; arc, ܡܪܝܡ, translit=Mariam; ar, مريم, translit=Maryam; grc, Μαρία, translit=María; la, Maria; cop, Ⲙⲁⲣⲓⲁ, translit=Maria was a first-century Jews, Jewish woman of Nazareth, the wife of Saint Joseph, Jose ...

. See

May devotions to the Blessed Virgin Mary May devotions to the Blessed Virgin Mary refer to special Marian devotions held in the Catholic Church during the month of May honoring Mary, mother of God as "the Queen of May". These services may take place inside or outside. A "May Crowning" i ...

* Celiac Awareness Month * Cystic Fibrosis Awareness Month. * Ehlers-Danlos Syndrome Awareness month * Flores de Mayo (Philippines) * Garden for Wildlife month *

Huntington's Disease Huntington's disease (HD), also known as Huntington's chorea, is a neurodegenerative disease that is mostly inherited. The earliest symptoms are often subtle problems with mood or mental abilities. A general lack of coordination and an uns ...

Awareness Month (International) * International Mediterranean Diet Month *

Kaamatan Kaamatan or Pesta Kaamatan is a form of harvest festival celebrated on 30 and 31 of May annually in the state of Sabah and Federal Territory of Labuan in Malaysia. It is normally celebrated by the ethnic Kadazan-Dusuns, as well as by other ...

harvest festival (

Labuan Labuan (), officially the Federal Territory of Labuan ( ms, Wilayah Persekutuan Labuan), is a Federal Territory of Malaysia. Its territory includes and six smaller islands, off the coast of the state of Sabah in East Malaysia. Labuan's capita ...

Sabah Sabah () is a state of Malaysia located in northern Borneo, in the region of East Malaysia. Sabah borders the Malaysian state of Sarawak to the southwest and the North Kalimantan province of Indonesia to the south. The Federal Territory o ...

) * New Zealand Music Month (New Zealand) *

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) *

National Smile Month National Smile Month is the United Kingdom's largest oral health campaign, held annually across May and June. Formerly "National Smile Week" it is now one of the biggest not-for-profit dental health events in Europe; it attracts thousands of eve ...

(United Kingdom) * Season of Emancipation (April 14 to August 23) (Barbados) *

Skin Cancer Skin cancers are cancers that arise from the skin. They are due to the development of abnormal cells that have the ability to invade or spread to other parts of the body. There are three main types of skin cancers: basal-cell skin cancer (BCC) ...

Awareness Month *

South Asian Heritage Month South Asian Heritage Month is the name given to the month-long celebration in the South Asian diaspora to celebrate the heritage of people with roots in the South Asian countries of India, Pakistan, Afghanistan, Bangladesh, Sri Lanka, Nepal, Bhut ...

(International) * World Trade Month

United States

Asian Pacific American Heritage Month Asian American and Pacific Islander Heritage Month (, officially changed from Asian/Pacific American Heritage Month) is observed in the United States during the month of May, and recognizes the contributions and influence of Asian Americans and ...

* National

ALS Awareness Month ALS Awareness Month is a campaign to spread awareness of and raise funds for research for a cure for ALS (amyotrophic lateral sclerosis, also known as Lou Gehrig’s Disease). Canada In Canada, June has been declared as ALS Awareness Month by the ...

* Bicycle Month * National Brain Tumor Awareness Month * National Burger Month * Community Action Awareness Month (

North Dakota North Dakota () is a U.S. state in the Upper Midwest, named after the indigenous Dakota Sioux. North Dakota is bordered by the Canadian provinces of Saskatchewan and Manitoba to the north and by the U.S. states of Minnesota to the east, So ...

) * National Electrical Safety Month * National Foster Care Month * National Golf Month *

Jewish American Heritage Month Jewish American Heritage Month (JAHM) is an annual recognition and celebration of American Jews' achievements and contributions to the United States of America during the month of May. President George W. Bush first proclaimed the month on Apr ...

Haitian Heritage Month Haitian Heritage Month is a celebration in the United States of Haitian heritage and culture. It was first celebrated in Boston, Massachusetts in 1998. History Tele Kreyol, one of the Boston Haitian Access Television programs, celebrated the ...

Hepatitis Hepatitis is inflammation of the liver tissue. Some people or animals with hepatitis have no symptoms, whereas others develop yellow discoloration of the skin and whites of the eyes ( jaundice), poor appetite, vomiting, tiredness, abdominal ...

Awareness Month *

Mental Health Awareness Month Mental Health Awareness Month (also referred to as "Mental Health Month") has been observed in May in the United States since 1949. The month is observed with media, local events, and film screenings. Mental Health Awareness Month began in the Unit ...

National Military Appreciation Month National Military Appreciation Month, also known as Military Appreciation Month, is a month-long observance observed in the United States, dedicated to people who are currently in the military or have resigned from duty. Each year, the observance ...

* National Moving Month * National Osteoporosis Month *

National Stroke Awareness Month National Stroke Awareness Month is observed in the United States annually during the month of May. National Stroke Awareness Month was created to promote public awareness and reduce the incidence of stroke in the United States. History National S ...

* National Water Safety Month * Older Americans Month

Non-Gregorian observances, 2020

''(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 * List of observances set by the Chinese calendar *

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, 2020

Phi Ta Khon Phi Ta Khon ( th, ผีตาโขน; phǐi taa khǒn; ) is a festival held in Dan Sai, Loei province, Isan, Thailand. The events take place over three days sometime between March and July, the dates being selected annually by the town’s med ...

(Dan Sai, Loei province,

Isan Northeast Thailand or Isan ( Isan/ th, อีสาน, ; lo, ອີສານ; also written as Isaan, Isarn, Issarn, Issan, Esan, or Esarn; from Pali ''īsānna'' or Sanskrit ईशान्य ''īśānya'' "northeast") consists of 20 prov ...

, Thailand) Dates are selected by village mediums and can take place anywhere between March and July. *

National Small Business Week National Small Business Week is a national recognition event to honor the United States' top entrepreneurs each year. The distinguished group of small business owners are hailed each year by the U.S. Small Business Administration and a collection o ...

(

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 territori ...

): May 5 – 11 *

National Hurricane Preparedness Week In 2004, National Hurricane Preparedness Week in the United States replaced the previous observance of National Hurricane Awareness Week, as awareness does not equate to preparedness. National Hurricane Preparedness Week is a nationwide effort to in ...

(

): May 5 – 11 * New Zealand Sign Language Week: May 6 – 12 * Green Office Week (

Britain Britain most often refers to: * The United Kingdom, a sovereign state in Europe comprising the island of Great Britain, the north-eastern part of the island of Ireland and many smaller islands * Great Britain, the largest island in the United King ...

): May 13 – 17 *

Walk Safely to School Day Walk Safely to School Day is an annual, national event in Australia in which primary school children are encouraged to walk or commute safely to school, an initiative of the Pedestrian Council of Australia. It is held annually in May on a varyi ...

( Australia): May 17 * Emergency Medical Services Week (

): May 19 – 25 *

Bike to Work Week Victoria Victoria is the capital city of the Canadian province of British Columbia, on the southern tip of Vancouver Island off Canada's Pacific coast. The city has a population of 91,867, and the Greater Victoria area has a population of 397,237. The ...

(May 27 – June 2)

Movable Western Christian observances {{Use mdy dates, date=July 2017 This is a list of movable observances within Western Christianity. It includes secular observances which are calculated by religious observances. ''This list does not necessarily imply either official status nor gen ...
, 2020 dates

* Special devotions to the

Virgin Mary Mary; arc, ܡܪܝܡ, translit=Mariam; ar, مريم, translit=Maryam; grc, Μαρία, translit=María; la, Maria; cop, Ⲙⲁⲣⲓⲁ, translit=Maria was a first-century Jewish woman of Nazareth, the wife of Joseph and the mother of ...

take place in May. See

. Sunday after Divine Mercy Sunday: May 5 *

Jubilate Sunday The Fourth Sunday of Easter is the day that occurs three weeks after the Christian celebration of Easter. Western Christianity Tridentine Catholicism (pre-1970) In the historical Roman Rite of the Catholic Church, this day was officially ...

Monday and Tuesday in the week following the third Sunday of Easter: May 6–7 *

Hocktide Hocktide, Hock tide or Hoke Day is a very old term used to denote the Monday and Tuesday in the second week after Easter. It was an English medieval festival; both the Tuesday and the preceding Monday were the Hock-days. Together with Whitsuntid ...

(

England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...

) Fourth Sunday after Easter: May 12 * Cantate Sunday * Good Shepherd Sunday Fourth Friday after Easter: May 17 *

Store Bededag {{Infobox holiday , holiday_name = Store bededag , type = , image = , imagesize = , caption = , official_name = , nickname = Great Prayer Day , observedby = Denmark, Faroe Islands, Greenland; formerly: Norway, Ic ...

(

Denmark ) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of Denmark , establish ...

) Third Sunday of May: May 19 * Feast of Our Lady of the Audience Sunday preceding the Rogation days: May 26 *

Rogation Sunday Rogation days are days of prayer and fasting in Western Christianity. They are observed with processions and the Litany of the Saints. The so-called ''major'' rogation is held on 25 April; the ''minor'' rogations are held on Monday to Wednesday ...

Monday, Tuesday, and Wednesday preceding Feast of the Ascension: May 27–29 *Minor Rogation days 39 days after Easter: May 30 *

Feast of the Ascension The Solemnity of the Ascension of Jesus Christ, also called Ascension Day, Ascension Thursday, or sometimes Holy Thursday, commemorates the Christian belief of the bodily Ascension of Jesus into heaven. It is one of the ecumenical (i.e., shared by ...

Father's Day Father's Day is a holiday of honoring fatherhood and paternal bonds, as well as the influence of fathers in society. In Catholic countries of Europe, it has been celebrated on 19 March as Saint Joseph's Day since the Middle Ages. In the Unite ...

(Germany) ** Festa della Sensa (

Venice Venice ( ; it, Venezia ; vec, Venesia or ) is a city in northeastern Italy and the capital of the Veneto region. It is built on a group of 118 small islands that are separated by canals and linked by over 400 bridges. The isla ...

) ** Global Day of Prayer ** Sheep Festival (

Cameroon Cameroon (; french: Cameroun, ff, Kamerun), officially the Republic of Cameroon (french: République du Cameroun, links=no), is a country in west-central Africa. It is bordered by Nigeria to the west and north; Chad to the northeast; the C ...

)

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 eithe ...
, 2020 dates

Wednesday after Pascha: May 1 *

Bright Wednesday Bright Week, Pascha Week or Renewal Week ( el, Διακαινήσιμος Ἑβδομάς) is the name used by the Eastern Orthodox and Byzantine Rite Catholic Churches for the period of seven days beginning on Easter and continuing up to (but n ...

Thursday after Pascha: May 2 * Bright Thursday Friday after Pascha: May 3 * Bright Friday Saturday after Pascha: May 4 *

Bright Saturday Easter Saturday, on the Christian calendar, is the Saturday following the festival of Easter, the Saturday of Easter or Bright Week. In the liturgy of Western Christianity it is the last day of Easter Week, sometimes referred to as the Saturd ...

8th day after Pascha: May 5 *

Thomas Sunday The Second Sunday of Easter is the day that occurs seven days after the Christian celebration of Easter. Those churches which give special significance to this day recognize it by various names. In the Roman Rite of the Catholic Church, this day is ...

2nd Tuesday of Pascha, or 2nd Monday of Pascha, depending on region: May 6 or May 7 *

Radonitsa Radonitsa (Russian Радоница, "Day of Rejoicing"), also spelled Radunitsa, Radonica, or Radunica, in the Russian Orthodox Church is a commemoration of the departed observed on the second Tuesday of Pascha (Easter) or, in some places (in sou ...

(

Russian Orthodox Russian Orthodoxy (russian: Русское православие) is the body of several churches within the larger communion of Eastern Orthodox Christianity, whose liturgy is or was traditionally conducted in Church Slavonic language. Most ...

) 2nd Sunday following Pascha: May 12 * Sunday of the Myrrhbearers 4th Sunday of Pascha: May 26 * Sunday of the Paralytic Wednesday after the Sunday of the Paralytic: May 29 *

Mid-Pentecost Mid-Pentecost or Midfeast, also Meso-Pentecost (from gr, Μεσοπεντηκοστή); russian: Преполове́ние Пятидеся́тницы is a feast day which occurs during the Paschal season in the Eastern Orthodox Church and tho ...

Non-religious and civic observances with movable dates

Last Friday in April to the first Sunday in May: April 26 – May 5

* National Arbour Week (

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 C ...

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 ...

)

First Thursday: May 2

* Arbour Day (

) *

National Day of Prayer The National Day of Prayer is an annual day of observance held on the first Thursday of May, designated by the United States Congress, when people are asked "to turn to God in prayer and meditation". The president is required by law () to sign a ...

(

) * National Day of Reason (United States)

First Saturday: May 4

* Kentucky Derby (moved to September 5, 2020) *

Free Comic Book Day Free Comic Book Day (FCBD) is an annual promotional effort by the North American comic book industry to attract new readers to independent comic book stores. It usually takes place on the first Saturday of May and is often cross-promoted wit ...

* Green Up Day (

Vermont Vermont () is a state in the northeast New England region of the United States. Vermont is bordered by the states of Massachusetts to the south, New Hampshire to the east, and New York to the west, and the Canadian province of Quebec to ...

) *

World Naked Gardening Day World Naked Gardening Day (WNGD) is an annual international event generally celebrated on the first Saturday of May by gardeners and non-gardeners alike. Organization WNGD was founded and organized by Mark Storey (consulting editor for Nude ...

= First Sunday: May 5

= *

Mother's Day Mother's Day is a celebration honoring the mother of the family or individual, as well as motherhood, maternal bonds, and the influence of mothers in society. It is celebrated on different days in many parts of the world, most commonly in th ...

(

Angola , national_anthem = " Angola Avante"() , image_map = , map_caption = , capital = Luanda , religion = , religion_year = 2020 , religion_ref = , coordina ...

, Cape Verde,

Hungary Hungary ( hu, Magyarország ) is a landlocked country in Central Europe. Spanning of the Pannonian Basin, Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the ...

, Lithuania,

Mozambique Mozambique (), officially the Republic of Mozambique ( pt, Moçambique or , ; ny, Mozambiki; sw, Msumbiji; ts, Muzambhiki), is a country located in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi ...

Portugal Portugal, officially the Portuguese Republic ( pt, República Portuguesa, links=yes ), is a country whose mainland is located on the Iberian Peninsula of Southwestern Europe, and whose territory also includes the Atlantic archipelagos of ...

Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , i ...

) * World Laughter Day

First full week: May 5–11

* National Teacher Appreciation Week (

) *

North American Occupational Safety and Health Week North American Occupational Safety and Health (NAOSH) week is held every year during the first full week of May to raise awareness about occupational safety, health and the environment (OSH&E) in an effort to prevent workplace injuries and illnes ...

= Tuesday of First full week: May 4

= * National Teacher Appreciation Day (

)

= Wednesday of first full week: May 8

= * Occupational Safety and Health Professional Day

Second week in May: May 5–11

National Stuttering Awareness Week The National Stuttering Awareness Week is an observance in the United States for people who stutter. It was established in 1988, by a President's proclamation as the second week in May in response to the advocacy of the members of the National Stut ...

(

)

First Tuesday: May 7

* World Asthma Day

Friday preceding Second Sunday in May: May 10

Military Spouse Day Military Spouse Day or Military Spouse Appreciation Day is celebrated on the Friday before Mother's Day in the United States. Many United States citizens take this day to acknowledge the significant contributions, support, and sacrifices of spouse ...

(

) * National Public Gardens Day (United States)

Saturday closest to May 10: May 11

* National Train Day (

)

Second Saturday: May 8

* International Migratory Bird Day (Canada, the United States, Mexico, Central and South America, and the Caribbean) * National Tree Planting Day (Mongolia)

Second Weekend: May 11–12

* National Mills Weekend (

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 European mainland, continental mainland. It comprises England, Scotlan ...

) *

World Migratory Bird Day Bird Day is the name of several holidays celebrating birds. Various countries observe such a holiday on various dates. International Migratory Bird Day International Migratory Bird Day is a conservation initiative that brings awareness on conse ...

Second Sunday: May 9

* National Nursing Home Week (United States) *

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 ...

(Spain) *

(Romania) *

(

Anguilla Anguilla ( ) is a British Overseas Territory in the Caribbean. It is one of the most northerly of the Leeward Islands in the Lesser Antilles, lying east of Puerto Rico and the Virgin Islands and directly north of Saint Martin. The terr ...

, Aruba, Australia, Austria, Bahamas, Barbados, Bangladesh, Belgium, Belize, Bermuda, Bonaire, Brazil, Brunei, Canada, Chile, Colombia, Cuba, Croatia, Curaçao, Czech Republic, Denmark, Ecuador, Estonia, Finland, Germany, Greece, Grenada, Honduras,

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 Delta i ...

, Iceland, India, Italy, Jamaica, Japan, Latvia, Malta, Malaysia, the Netherlands, New Zealand, Pakistan, Peru, Philippines, Puerto Rico, Singapore, Slovakia, South Africa, Suriname, Switzerland, Taiwan, Trinidad and Tobago, Turkey, United States, Uruguay, Venezuela, Zimbabwe) * State Flag and State Emblem Day (Belarus) * World Fair Trade Day

Week of
May 12 Events Pre-1600 * 254 – Pope Stephen I succeeds Pope Lucius I, becoming the 23rd pope of the Catholic Church, and immediately takes a stand against Novatianism. * 907 – Zhu Wen forces Emperor Ai into abdicating, ending the Tang d ...
: May 6-12

* National Nursing Week (United States)

Third Weekend, including Friday: May 14-16

Sanja Matsuri , or Sanja Festival, is one of the three largest Shinto festivals in Tokyo. It is considered one of the wildest and largest. The festival is held in honor of Hinokuma Hamanari, Hinokuma Takenari, and Hajino Nakatomo, the three men who establishe ...

(

Tokyo Tokyo (; ja, 東京, , ), officially the Tokyo Metropolis ( ja, 東京都, label=none, ), is the capital and List of cities in Japan, largest city of Japan. Formerly known as Edo, its metropolitan area () is the most populous in the world, ...

, Japan)

Third Friday: May 21

* Arbour Day (

Prince Edward Island Prince Edward Island (PEI; ) is one of the thirteen provinces and territories of Canada. It is the smallest province in terms of land area and population, but the most densely populated. The island has several nicknames: "Garden of the Gulf", ...

, Canada) *

National Defense Transportation Day National Defense Transportation Day is a United States Federal Observance Day observed on the third Friday in May. History and definition The observance was first signed into law by President Eisenhower in 1957. According to 36 U.S.C. § 120, on ...

* Endangered Species Day (United States) * National Pizza Party Day (United States)

Third Saturday: May 15

* The

Preakness Stakes The Preakness Stakes is an American thoroughbred horse race held on Armed Forces Day which is also the third Saturday in May each year at Pimlico Race Course in Baltimore, Maryland. It is a Grade I race run over a distance of 9.5 furlongs () o ...

is run, second jewel in the triple crown of horse racing. *

Armed Forces Day (United States) 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 Octob ...

* Culture Freedom Day *

World Whisky Day World Whisky Day was founded in 2012 and falls on the third Saturday of May each year. Founding World Whisky Day was founded in 2012 by Blair Bowman while studying at the University of Aberdeen. Participation Participants are encouraged to d ...

Third Sunday: May 16

Commemoration Day of Fallen Soldiers Commemoration Day of Fallen Soldiers ( fi, kaatuneitten muistopäivä, sv, de stupades dag) is the commemoration day observed in Finland on the third Sunday of May for the soldiers killed in the Winter War and Finnish Civil War 1918. After 1940 ...

(

Tonga Tonga (, ; ), officially the Kingdom of Tonga ( to, Puleʻanga Fakatuʻi ʻo Tonga), is a Polynesian country and archipelago. The country has 171 islands – of which 45 are inhabited. Its total surface area is about , scattered over in ...

) * Feast of Our Lady of the Audience *

(

, Japan)

Monday on or before May 24: May 24

* Victoria Day (Scotland)

Third Monday: May 17

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 ...

( Cayman Islands)

Monday on or before May 25: May 24

* National Patriots' Day (

Quebec Quebec ( ; )According to the Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is one of the thirtee ...

)

Last Monday preceding May 25: May 24

(

)

May 24, or the nearest weekday if May 24 falls on a weekend: May 24

* Bermuda Day (Bermuda)

Saturday closest to May 30: May 29

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, ...

(Spain)

Last Weekend: May 29–30

* Kyiv Day (

Kyiv Kyiv, also spelled Kiev, is the capital and most populous city of Ukraine. It is in north-central Ukraine along the Dnieper River. As of 1 January 2021, its population was 2,962,180, making Kyiv the seventh-most populous city in Europe. Kyi ...

)

Last Sunday: May 30

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 ...

(Venezuela) *

(Hungary) *

(Algeria, Dominican Republic, Haiti, Mauritius, Morocco, Sweden, Tunisia) * Turkmen Carpet Day (Turkmenistan)

Last Monday: May 31

Heroes' Day Heroes' Day or National Heroes' Day may refer to a number of commemorations of national heroes in different countries and territories. It is often held on the birthday of a national hero or heroine, or the anniversary of their great deeds that ...

(Turks and Caicos Islands) *

(United States), a public holiday, is on May 30, but observed on the last Monday in May. * Ratu Sir Lala Sukuna Day (Fiji), removed as a national holiday in 2010.

Last Wednesday: May 26

* World Multiple Sclerosis Day

Last Thursday: May 27

Take a Girl Child to Work Day Take a Girl Child to Work Day is an annual corporate social investment event, held in South Africa since 2003. Companies involved organise for female learners (school pupils), usually from disadvantaged backgrounds, to spend the day at their pla ...

(South Africa)

Fixed observances in May

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 ...

May 5 Events Pre-1600 * 553 – The Second Council of Constantinople begins. *1215 – Rebel barons renounce their allegiance to King John of England — part of a chain of events leading to the signing of the Magna Carta. *1260 – Kub ...

in Japan, which includes four different holidays, is called " Golden Week". Many workers have up to 10 days off. There is also 'May sickness', where new students or workers start to be tired of their new routine. (In Japan the

school year A school is an educational institution designed to provide learning spaces and learning environments for the teaching of students under the direction of teachers. Most countries have systems of formal education, which is sometimes compul ...

and

fiscal year A fiscal year (or financial year, or sometimes budget year) is used in government accounting, which varies between countries, and for budget purposes. It is also used for financial reporting by businesses and other organizations. Laws in many ...

start on April 1.) *

Mayovka In the context of the late Russian Empire, a mayovka ( rus, Маёвка, p=mɐˈjɵfkə) was a picnic in the countryside or in a park in the early days of May. Eventually, "mayovka" came to mean an illegal celebration of May 1 by revolutionary ...

, in the context of the late

Russian Empire The Russian Empire was an empire and the final period of the Russian monarchy from 1721 to 1917, ruling across large parts of Eurasia. It succeeded the Tsardom of Russia following the Treaty of Nystad, which ended the Great Northern War. ...

, was a picnic in the countryside or in a park in the early days of May, hence the name. Eventually, "mayovka" (specifically, "proletarian mayovka") came to mean an illegal celebration of

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 ...

by revolutionary public, typically presented as an innocent picnic. *

( Mauritania) **

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 ...

(

Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...

, Neopaganism) **

Constitution Day Constitution Day is a holiday to honour the constitution of a country. Constitution Day is often celebrated on the anniversary of the signing, promulgation or adoption of the constitution, or in some cases, to commemorate the change to constitut ...

(

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 ...

) **

Lei Day Lei Day is a statewide celebration in Hawaii. The celebration begins in the morning of May first every year and continues into the next day. Lei day was established as a holiday in 1929. Each Hawaiian island has a different type of lei for its peo ...

(

Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only state ...

) **

May Day May Day is a European festival of ancient origins marking the beginning of summer, usually celebrated on 1 May, around halfway between the spring equinox and summer solstice. Festivities may also be held the night before, known as May Eve. Tr ...

(

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

) *

May 2 Events Pre-1600 * 1194 – King Richard I of England gives Portsmouth its first Royal Charter. *1230 – William de Braose is hanged by Prince Llywelyn the Great. * 1536 – Anne Boleyn, Queen of England, is arrested and imprison ...

** Anniversary of the Dos de Mayo Uprising (

Community of Madrid The Community of Madrid (; es, Comunidad de Madrid ) is one of the seventeen autonomous communities of Spain. It is located in the centre of the Iberian Peninsula, and of the Central Plateau (''Meseta Central''). Its capital and largest munic ...

) ** Birth Anniversary of Third Druk Gyalpo (

Bhutan Bhutan (; dz, འབྲུག་ཡུལ་, Druk Yul ), officially the Kingdom of Bhutan,), is a landlocked country in South Asia. It is situated in the Eastern Himalayas, between China in the north and India in the south. A mountainou ...

) ** Flag 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 populou ...

) ** Indonesia National Education Day *

May 3 Events Pre-1600 * 752 – Mayan king Bird Jaguar IV of Yaxchilan in modern-day Chiapas, Mexico, assumes the throne. * 1481 – The largest of three earthquakes strikes the island of Rhodes and causes an estimated 30,000 casualties. ...

(

) **

Constitution Memorial Day is a public holiday in Japan. It takes place on May 3 in celebration of the enactment of the 1947 Constitution of Japan. It is a part of the collection of holidays known as Golden Week (Japan), Golden Week. History After the Atomic bombings of H ...

( Japan) **

Roodmas Roodmas (from Old English ''rood'' "rod", "cross" and ''mas'', Mass; similar to the etymology of Christmas), is a name for the celebration of the Feast of the Cross. It has been applied to both historical commemoration on May 3 and, September 14. ...

** Sun Day (

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 ...

) **

World Press Freedom Day The United Nations General Assembly declared May 3 to be World Press Freedom Day or just World Press Day, observed to raise awareness of the importance of freedom of the press and remind governments of their duty to respect and uphold the righ ...

May 4 Events Pre-1600 * 1256 – The Augustinian monastic order is constituted at the Lecceto Monastery when Pope Alexander IV issues a papal bull ''Licet ecclesiae catholicae''. * 1415 – Religious reformers John Wycliffe and Jan Hus ar ...

Anti-Bullying Day Anti-Bullying Day (or Pink Shirt Day) is an annual event, held in Canada and other parts of the world, where people wear a pink-coloured shirt to stand against bullying. The initiative was started in Canada, where it is held on the last Wednes ...

(

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

) **

Bird Day Bird Day is the name of several holidays celebrating birds. Various countries observe such a holiday on various dates. International Migratory Bird Day International Migratory Bird Day is a conservation initiative that brings awareness on conserv ...

(

) ** Cassinga Day (

Namibia Namibia (, ), officially the Republic of Namibia, is a country in Southern Africa. Its western border is the Atlantic Ocean. It shares land borders with Zambia and Angola to the north, Botswana to the east and South Africa to the south and ea ...

) ** Death of Milan Rastislav Štefánik 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 ...

) **

Greenery Day The present observation of as a public holiday in Japan stems from the celebration of the birthday of the Emperor Shōwa ( Hirohito, who lived from 1901 to 1989) on April 29 every year during the Shōwa era (1926 - 1989). In 1989, following t ...

( Japan) ** International Firefighters' Day **

May Fourth Movement The May Fourth Movement was a Chinese anti-imperialist, cultural, and political movement which grew out of student protests in Beijing on May 4, 1919. Students gathered in front of Tiananmen (The Gate of Heavenly Peace) to protest the Chines ...

commemorations: ***

Literary Day Literary Day is observed annually on May 4 in Taiwan, in honor of the May Fourth Movement. It was first celebrated on this day in 1945, and its establishment was affected by the dispute over whether the Kuomintang or the Communist Party was the ...

(

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 ...

) *** Youth Day (China) **

Remembrance Day for Martyrs and Disabled The culture of Afghanistan has persisted for over three millennia, tracing record to at least the time of the Achaemenid Empire in 500 BCE, and encompasses the cultural diversity of the nation. Afghanistan's culture is historically strongly ...

(Afghanistan) **

Remembrance of the Dead Remembrance of the Dead ( nl, Dodenherdenking) is held annually on May 4 in the Netherlands. It commemorates all civilians and members of the armed forces of the Kingdom of the Netherlands who have died in wars or peacekeeping missions since ...

(Netherlands) ** Restoration of Independence day (Latvia) ** Star Wars Day (

) ** World Give Day ** Youth Day (Fiji) *

(Japan, Korea) **

Cinco de Mayo Cinco de Mayo ( in Mexico, Spanish for "Fifth of May") is a yearly celebration held on May 5, which commemorates the anniversary of Mexico's victory over the Second French Empire at the Battle of Puebla in 1862, led by General Ignacio Zaragoz ...

** Constitution Day (Kyrgyzstan) **

Coronation Day (Thailand) 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 ...

** Europe Day in Europe (uncommon usage, largely replaced by May 9). ** Feast of al-Khadr or

Saint George Saint George (Greek: Γεώργιος (Geórgios), Latin: Georgius, Arabic: القديس جرجس; died 23 April 303), also George of Lydda, was a Christian who is venerated as a saint in Christianity. According to tradition he was a soldie ...

(

Palestinian people Palestinians ( ar, الفلسطينيون, ; he, פָלַסְטִינִים, ) or Palestinian people ( ar, الشعب الفلسطيني, label=none, ), also referred to as Palestinian Arabs ( ar, الفلسطينيين العرب, label=non ...

) **

Indian Arrival Day Indian Arrival Day is a holiday celebrated on various days in the nations of the Caribbean, Fiji, South Africa, and Mauritius, commemorating the arrival of people from the Indian subcontinent to their respective nations as indentured labours bro ...

(Guyana) ** International Midwives' Day ** Liberation Day (Denmark) **

Liberation Day (Netherlands) Liberation Day ( nl, Bevrijdingsdag) is a public holiday in the Netherlands to mark the end of the German occupation of the country during the Second World War. It follows the Remembrance of the Dead (''Dodenherdenking'') on 4 May. The Neth ...

** Lusophone Culture Day (

Community of Portuguese Language Countries The Community of Portuguese Language Countries ( Portuguese: ''Comunidade dos Países de Língua Portuguesa''; abbreviated as the CPLP), also known as the Lusophone Commonwealth (''Comunidade Lusófona''), is an international organization and pol ...

) **

Martyrs' Day (Albania) Martyrs' Day ( sq, Dita e dëshmorve) is an Albanian holiday observed annually on May 5 for the remembrance of those who died for Albanian liberation during World War 2. The date was chosen for its significance as the anniversary of the assassina ...

** Patriots' Victory Day (Ethiopia) ** Senior Citizens Day (Palau) **

Tango no sekku , also known as , is one of the five annual ceremonies that were traditionally held at the Japanese imperial court called . It is the Japanese equivalent of Double Fifth and was celebrated on the fifth day of the fifth moon in the lunar calendar ...

(Japan) *

May 6 Events Pre-1600 * 1527 – Spanish and German troops sack Rome; many scholars consider this the end of the Renaissance. * 1536 – The Siege of Cuzco commences, in which Incan forces attempt to retake the city of Cuzco from the Sp ...

Martyrs' 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. ...

(Gabon) **

Martyrs' Day (Lebanon and Syria) Martyrs' Day ( ar, عيد الشهداء) is a Syrian and Lebanese national holiday commemorating the Syrian and Lebanese nationalists executed in Damascus and Beirut on 6 May 1916 by Jamal Pasha, also known as 'Al Jazzar' or 'The Butcher', t ...

** International No Diet Day **

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 ...

(Jamaica) **The first day of

Hıdırellez Hıdırellez or Hıdrellez ( tr, Hıdırellez or ''Hıdrellez''; az, Xıdır İlyas or ''Xıdır Nəbi''; crh, Hıdırlez; Romani language: ''Ederlezi'') is a folk holiday celebrated as the day on which the prophets Al-Khidr (''Hızır'') and ...

(Turkey) **

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. Sai ...

related observances (

Eastern Orthodox Church The Eastern Orthodox Church, also called the Orthodox Church, is the second-largest Christian church, with approximately 220 million baptized members. It operates as a communion of autocephalous churches, each governed by its bishops vi ...

): *** Day of Bravery, also known as ''Gergyovden'' (Bulgaria) ***

Đurđevdan George's Day in Spring, or Saint George's Day ( sr, Ђурђевдан, Đurđevdan, ; bg, Гергьовден, Gergovden; mk, Ѓурѓовден, Ǵurǵovden; russian: Егорий Вешний, Yegoriy Veshniy, or russian: Юрьев ден� ...

( Gorani, Roma) ***

Police Day Several nations observe or formerly observed a Police Day to recognize the professional holiday or anniversary of their national police force. By country Armenia Celebrated on 16 April, Police Workers Day ( hy, Ոստիկանության օր) in ...

(Georgia) *** Yuri's Day (

Russian Orthodox Church , native_name_lang = ru , image = Moscow July 2011-7a.jpg , imagewidth = , alt = , caption = Cathedral of Christ the Saviour in Moscow, Russia , abbreviation = ROC , type ...

) *

May 7 Events Pre-1600 * 351 – The Jewish revolt against Constantius Gallus breaks out after his arrival at Antioch. * 558 – In Constantinople, the dome of the Hagia Sophia collapses, twenty years after its construction. Justinian I imm ...

Defender of the Fatherland Day (Kazakhstan) Defender of the Fatherland Day ( Kazakh: Отан Қорғаушы күні, ''Otan Qorğauşy künı'') is a national holiday celebrated annually on May 7, commemorating the founding of the Armed Forces of Kazakhstan. The event is marked by milita ...

** Dien Bien Phu Victory Day (Vietnam) **

Radio Day Radio Day (russian: День радио, ''Den' Radio''), Communications Workers' Day (as it is officially known in Russia) or Radio and Television Day ( bg, Ден на радиото и телевизията, as it is known in Bulgaria) is a ...

(Russia, Bulgaria) * May 8 ** Miguel Hidalgo's birthday (Mexico) **

Parents' Day Parents' Day is observed in South Korea on May 8 and in the United States (fourth Sunday of July). The South Korean designation was established in 1973, replacing the Mother's Day previously marked on May 8, and includes public and private celeb ...

(South Korea) **

Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War The Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War (May 8 and May 9) is an annual international day of remembrance designated bResolution 59/26of the United Nations General Assembly on November 2 ...

, continues to May 9 **

Truman Day Truman Day is a commemorative holiday to celebrate the birth of Harry S. Truman, the 33rd President of the United States. It is celebrated May 8 in Missouri as a state holiday, according to Missouri Revised Statutes Section 9-035 Public Holidays ...

(

Missouri Missouri is a state in the Midwestern region of the United States. Ranking 21st in land area, it is bordered by eight states (tied for the most with Tennessee): Iowa to the north, Illinois, Kentucky and Tennessee to the east, Arkansas t ...

, United States) **

White Lotus Day White Lotus Day is a celebration of Theosophists. It is celebrated 8 May, the anniversary of the death of Helena Petrovna Blavatsky, founder of the Theosophical Society. Though there are several theosophical organisations, this is one celebration ...

(

Theosophy Theosophy is a religion established in the United States during the late 19th century. It was founded primarily by the Russian Helena Blavatsky and draws its teachings predominantly from Blavatsky's writings. Categorized by scholars of religion ...

) ** World Red Cross and Red Crescent Day ** Veterans Day (Norway) **

VE Day Victory in Europe Day is the day celebrating the formal acceptance by the Allies of World War II of Germany's unconditional surrender of its armed forces on Tuesday, 8 May 1945, marking the official end of World War II in Europe in the Easter ...

Western Europe Western Europe is the western region of Europe. The region's countries and territories vary depending on context. The concept of "the West" appeared in Europe in juxtaposition to "the East" and originally applied to the ancient Mediterranean ...

. In

Eastern Europe Eastern Europe is a subregion of the European continent. As a largely ambiguous term, it has a wide range of geopolitical, geographical, ethnic, cultural, and socio-economic connotations. The vast majority of the region is covered by Russia, whic ...

it is celebrated on

May 9 Events Pre-1600 * 328 – Athanasius is elected Patriarch of Alexandria. *1009 – Lombard Revolt: Lombard forces led by Melus revolt in Bari against the Byzantine Catepanate of Italy. *1386 – England and Portugal formally rati ...

. *

** Anniversary of Dianetics ( Church of Scientology) ** Europe Day (

European Union The European Union (EU) is a supranational political and economic union of member states that are located primarily in Europe. The union has a total area of and an estimated total population of about 447million. The EU has often been de ...

) **

Liberation Day Liberation Day is a day, often a public holiday, that marks the liberation of a place, similar to an independence day. Liberation marks the date of either a revolution, as in Cuba, the fall of a dictatorship, as in Portugal, or the end of an oc ...

( Guernsey), commemorating the end of the German occupation of the Channel Islands during World War II. ** Liberation Day (Jersey), commemorating the end of the German occupation of the Channel Islands during World War II. **

, continued from May 8. **

Victory Day Victory Day is a commonly used name for public holidays in various countries, where it commemorates a nation's triumph over a hostile force in a war or the liberation of a country from hostile occupation. In many cases, multiple countries may ob ...

observances, celebration of the

Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...

victory over

Nazi Germany Nazi Germany (lit. "National Socialist State"), ' (lit. "Nazi State") for short; also ' (lit. "National Socialist Germany") (officially known as the German Reich from 1933 until 1943, and the Greater German Reich from 1943 to 1945) was ...

(

Azerbaijan Azerbaijan (, ; az, Azərbaycan ), officially the Republic of Azerbaijan, , also sometimes officially called the Azerbaijan Republic is a transcontinental country located at the boundary of Eastern Europe and Western Asia. It is a part of t ...

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 ...

Bosnia and Herzegovina Bosnia and Herzegovina ( sh, / , ), abbreviated BiH () or B&H, sometimes called Bosnia–Herzegovina and often known informally as Bosnia, is a country at the crossroads of south and southeast Europe, located in the Balkans. Bosnia and H ...

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 ...

Israel Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...

Kazakhstan Kazakhstan, officially the Republic of Kazakhstan, is a transcontinental country located mainly in Central Asia and partly in Eastern Europe. It borders Russia to the north and west, China to the east, Kyrgyzstan to the southeast, Uzbeki ...

Kyrgyzstan Kyrgyzstan,, pronounced or the Kyrgyz Republic, is a landlocked country in Central Asia. Kyrgyzstan is bordered by Kazakhstan to the north, Uzbekistan to the west, Tajikistan to the south, and the People's Republic of China to the ea ...

Moldova Moldova ( , ; ), officially the Republic of Moldova ( ro, Republica Moldova), is a landlocked country in Eastern Europe. It is bordered by Romania to the west and Ukraine to the north, east, and south. The unrecognised state of Transnistr ...

Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eig ...

Serbia Serbia (, ; Serbian: , , ), officially the Republic of Serbia (Serbian: , , ), is a landlocked country in Southeastern and Central Europe, situated at the crossroads of the Pannonian Basin and the Balkans. It shares land borders with Hungar ...

Tajikistan Tajikistan (, ; tg, Тоҷикистон, Tojikiston; russian: Таджикистан, Tadzhikistan), officially the Republic of Tajikistan ( tg, Ҷумҳурии Тоҷикистон, Jumhurii Tojikiston), is a landlocked country in Centr ...

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 ...

Uzbekistan Uzbekistan (, ; uz, Ozbekiston, italic=yes / , ; russian: Узбекистан), officially the Republic of Uzbekistan ( uz, Ozbekiston Respublikasi, italic=yes / ; russian: Республика Узбекистан), is a doubly landlocked co ...

) **

Victory Day over Nazism in World War II Victory Day over Nazism in World War II ( uk, День перемоги над нацизмом у Другій світовій війні, translit=Den peremohy nad natsyzmom u Druhii svitovii viini) or Victory Day ( uk, День перемог ...

(Ukraine) ** Victory and Peace Day (Armenia) marks both the

capture of Shusha The Battle of Shusha) and by Azerbaijanis as the Occupation of Shusha ( az, Şuşanın işğalı) was the first significant military victory by Armenian forces during the First Nagorno-Karabakh War. The battle took place in the strategically i ...

(1992) in the First Nagorno-Karabakh War, and the end of World War II. * May 10 **

(Maldives) **

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. ...

(

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 ...

and

South Carolina )'' Animis opibusque parati'' ( for, , Latin, Prepared in mind and resources, links=no) , anthem = " Carolina";" South Carolina On My Mind" , Former = Province of South Carolina , seat = Columbia , LargestCity = Charleston , LargestMetro = ...

) **

(Federated States of Micronesia) ** Golden Spike Day (1869 – Completion of the First transcontinental railroad –

Promontory Summit Promontory is an area of high ground in Box Elder County, Utah, United States, 32 mi (51 km) west of Brigham City and 66 mi (106 km) northwest of Salt Lake City. Rising to an elevation of 4,902 feet (1,494 m) above sea ...

, Utah) **

Independence Day (Romania) The following is a list of public holidays in Romania. According to Romanian law, Romania had 51 public holidays as of 2011, which cover 14% of the days of the year in the country. Official non-working holidays Other working holidays and ob ...

, celebrating the declaration of independence of Romania from the

Ottoman Empire The Ottoman Empire, * ; is an archaic version. The definite article forms and were synonymous * and el, Оθωμανική Αυτοκρατορία, Othōmanikē Avtokratoria, label=none * info page on book at Martin Luther University) ...

in 1877. **

(

Sark Sark (french: link=no, Sercq, ; Sercquiais: or ) is a part of the Channel Islands in the southwestern English Channel, off the coast of Normandy, France. It is a royal fief, which forms part of the Bailiwick of Guernsey, with its own set of ...

), commemorating the end of the German occupation of the Channel Islands during World War II. * May 11 ** National Technology Day (India) ** Statehood Day (

Minnesota Minnesota () is a state in the upper midwestern region of the United States. It is the 12th largest U.S. state in area and the 22nd most populous, with over 5.75 million residents. Minnesota is home to western prairies, now given over to ...

) ** Vietnam Human Rights Day (Vietnam) *

May 12 Events Pre-1600 * 254 – Pope Stephen I succeeds Pope Lucius I, becoming the 23rd pope of the Catholic Church, and immediately takes a stand against Novatianism. * 907 – Zhu Wen forces Emperor Ai into abdicating, ending the Tang d ...

** Saint Andrea the First Day (

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 southwes ...

) ** Day of the Finnish Identity (Finland) ** International Myalgic Encephalomyelitis/Chronic Fatigue Syndrome Awareness Day **

International Nurses Day International Nurses Day (IND) is an international day observed around the world on 12 May (the anniversary of Florence Nightingale's birth) each year, to mark the contributions that nurses make to society. Background The International Co ...

May 13 Events Pre-1600 *1373 – Julian of Norwich has visions of Jesus while suffering from a life-threatening illness, visions which are later described and interpreted in her book '' Revelations of Divine Love''. * 1501 – Amerigo Vespu ...

** Abbotsbury Garland Day (

Dorset Dorset ( ; archaically: Dorsetshire , ) is a county in South West England on the English Channel coast. The ceremonial county comprises the unitary authority areas of Bournemouth, Christchurch and Poole and Dorset. Covering an area of , ...

, England) **

(Romania) ** Rotuma Day (

Rotuma Rotuma is a Fijian dependency, consisting of Rotuma Island and nearby islets. The island group is home to a large and unique Polynesian indigenous ethnic group which constitutes a recognisable minority within the population of Fiji, known as " ...

, Fiji) *

May 14 Events Pre-1600 *1027 – Robert II of France names his son Henry I as junior King of the Franks. * 1097 – The Siege of Nicaea begins during the First Crusade. *1264 – Battle of Lewes: Henry III of England is captured and force ...

Hastings Banda Hastings Kamuzu Banda (1898 – 25 November 1997) was the prime minister and later president of Malawi from 1964 to 1994 (from 1964 to 1966, Malawi was an independent Dominion / Commonwealth realm). In 1966, the country became a republic and ...

's Birthday (Malawi) **First day of Izumo-taisha Shrine Grand Festival. (

Izumo-taisha , officially Izumo Ōyashiro, is one of the most ancient and important Shinto shrines in Japan. No record gives the date of establishment. Located in Izumo, Shimane Prefecture, it is home to two major festivals. It is dedicated to the god , fam ...

, Japan) ** National Unification Day (Liberia) *

May 15 Events Pre-1600 * 221 – Liu Bei, Chinese warlord, proclaims himself emperor of Shu Han, the successor of the Han dynasty. * 392 – Emperor Valentinian II is assassinated while advancing into Gaul against the Frankish usurper Arbog ...

**Beginning of

Tourette Syndrome Tourette syndrome or Tourette's syndrome (abbreviated as TS or Tourette's) is a common neurodevelopmental disorder that begins in childhood or adolescence. It is characterized by multiple movement (motor) tics and at least one vocal (phonic) ...

awareness month. It ends on

June 15 Events Pre-1600 * 763 BC – Assyrians record a solar eclipse that is later used to fix the chronology of Mesopotamian history. * 844 – Louis II is crowned as king of Italy at Rome by pope Sergius II. * 923 – Battle of So ...

** Army Day (Slovenia) ** Constituent Assembly Day (Lithuania) ** Independence Day (Paraguay) ** International Day of Families **

Nakba Day Nakba Day ( ar, ذكرى النكبة, translit=Dhikra an-Nakba, lit=Memory of the Catastrophe) is the day of commemoration for the ''Nakba'', also known as the Palestinian Catastrophe, which comprised the destruction of Palestinian society an ...

( Palestinian communities) **

Peace Officers Memorial Day Peace Officers Memorial Day and Police Week is an observance in the United States that pays tribute to the local, state, and federal peace officers who have died, or who have been disabled, in the line of duty. It is celebrated May 15th of each y ...

(United States) **

Republic Day Republic Day is the name of a holiday in several countries to commemorate the day when they became republics. List January 1 January in Slovak Republic The day of creation of Slovak republic. A national holiday since 1993. Officially cal ...

( Lithuania) **

Saint Ubaldo Day Saint Ubaldo Day or ''Festa dei Ceri'' is an event celebrated on 15 May in the Italian town of Gubbio. It honors the life of Bishop Ubaldo Baldassini who was canonized as protector of Gubbio. It is also celebrated in the American town of Jess ...

(Colombia, Mexico, South Korea) * May 16 ** Martyrs of Sudan (

Episcopal Church (USA) The Episcopal Church, based in the United States with additional dioceses elsewhere, is a member church of the worldwide Anglican Communion. It is a mainline Protestant denomination and is divided into nine provinces. The presiding bishop of ...

) ** St Brendan Birthday & Feast day ** Mass Graves Day (Iraq) ** National Day, declared by

Salva Kiir Mayardit Salva Kiir Mayardit (born 13 September 1951), also known as Salva Kiir, is a South Sudanese politician who has been the President of South Sudan since its independence on 9 July 2011. Prior to independence, he was the President of the Governmen ...

(South Sudan) **

(Malaysia) *

May 17 Events Pre-1600 *1395 – Battle of Rovine: The Wallachians defeat an invading Ottoman army. *1521 – Edward Stafford, 3rd Duke of Buckingham, is executed for treason. * 1527 – Pánfilo de Narváez departs Spain to explore Flo ...

** National Day Against Homophobia (Canada) **

International Day Against Homophobia, Transphobia and Biphobia International Day Against Homophobia, Biphobia, Lesbophobia and Transphobia is observed on May 17 and aims to coordinate international events that raise awareness of LGBT rights violations and stimulate interest in LGBT rights work worldwide. By ...

, also known as IDAHOT ** Birthday of the Raja (

Perlis Perlis, ( Northern Malay: ''Peghelih''), also known by its honorific title Perlis Indera Kayangan, is the smallest state in Malaysia by area and population. Located on the northwest coast of Peninsular Malaysia, it borders the Thai provinces ...

) **

(Norway) **

(Nauru) **

Galician Literature Day Galician Literature Day ( gl, Día das Letras Galegas) is a public holiday observed in Galicia, Spain. It is a celebration of the Galician language and its literature which was inaugurated by the Royal Galician Academy (''Real Academia Galega' ...

(

Galicia (Spain) Galicia (; gl, Galicia or ; es, Galicia}; pt, Galiza) is an autonomous community of Spain and historic nationality under Spanish law. Located in the northwest Iberian Peninsula, it includes the provinces of A Coruña, Lugo, Ourense, a ...

) ** World Hypertension Day **

World Information Society Day World Telecommunication and Information Society Day is an international day proclaimed in November 2006 by the International Telecommunication Union Plenipotentiary Conference in Antalya, Turkey, to be celebrated annually on 17 May. History ;W ...

(Democratic Republic of the Congo) **

Navy Day 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 Battle of Montevideo. Bahrain The R ...

(Argentina) **

Norwegian Constitution Day Constitution Day is the national day of Norway and is an official public holiday observed on 17 May each year. Among Norwegians, the day is referred to as ''Syttende Mai'' ("Seventeenth of May"), ''Nasjonaldagen'' ("National Day"), or ''Grunnlo ...

May 18 Events Pre-1600 * 332 – Emperor Constantine the Great announces free distributions of food to the citizens in Constantinople. * 872 – Louis II of Italy is crowned for the second time as Holy Roman Emperor at Rome, at the age of ...

** Baltic Fleet Day (Russia) ** Battle of Las Piedras Day (Uruguay) ** Day of Remembrance of Crimean Tatar genocide (Ukraine) ** Flag and Universities Day (Haiti) **

Independence Day (Somaliland) Independence Day in Somaliland is an annual celebration held on 18 May in Somaliland to mark the polity's declaration of independence from the Somali Democratic Republic, a unilateral proclamation which remains unrecognized the world over.Human R ...

( unrecognized) **

International Museum Day International Museum Day (IMD) is an international day held annually on or around 18 May, coordinated by the International Council of Museums (ICOM). The event highlights a specific theme which changes every year reflecting a relevant theme or ...

Mullivaikkal Remembrance Day Mullivaikkal Remembrance Day (or simply Mullivaikkal Day; ta, முள்ளிவாய்க்கால் நினைவு நாள் ''Muḷḷivāykkāl Niṉaivu Nāḷ'') is a remembrance day observed by Sri Lankan Tamil people to ...

( Sri Lankan Tamils) ** Revival, Unity, and Poetry of Magtymguly Day (Turkmenistan) **

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 c ...

(Syria) **

Victory Day (Sri Lanka) Remembrance Day ( Sinhala: ජාතික රණවිරු සැමරුම් උළෙල ''Jāthika Raṇaviru Sæmarum Uḷela'') also known as the National War heroes commemoration day in Sri Lanka, marks the capitulation of the Libe ...

World AIDS Vaccine Day {{No footnotes, date=March 2009 World AIDS Vaccine Day, also known as HIV Vaccine Awareness Day, is observed annually on May 18. HIV vaccine advocates mark the day by promoting the continued urgent need for a vaccine to prevent HIV infection and A ...

May 19 Events Pre-1600 * 639 – Ashina Jiesheshuai and his tribesmen assaulted Emperor Taizong at Jiucheng Palace. * 715 – Pope Gregory II is elected. *1051 – Henry I of France marries the Rus' princess, Anne of Kiev. *1445 &nda ...

** Commemoration of Atatürk, Youth and Sports Day (Turkey, Northern Cyprus) ** Greek Genocide Remembrance Day (Greece) ** Hồ Chí Minh's Birthday (Vietnam) ** Malcolm X Day (United States of America) ** National Asian & Pacific Islander HIV/AIDS Awareness Day ** Hepatitis Testing Day (United States) *

May 20 Events Pre-1600 * 325 – The First Council of Nicaea is formally opened, starting the first ecumenical council of the Christian Church. * 491 – Empress Ariadne marries Anastasius I. The widowed '' Augusta'' is able to choose her ...

Day of Remembrance (Cambodia) The National Day of Remembrance ( km, ទិវាជាតិនៃការចងចាំ, Tivea Cheate nei kar Changcham), formerly called the National Day of Hatred, which falls on May 20, is an annual event in Cambodia. It commemorates the C ...

** Emancipation Day (Florida) ** European Maritime Day ( European Council) ** Independence Day (Cuba) ** Independence Day, East Timor **

Josephine Baker Day Josephine Baker (born Freda Josephine McDonald; naturalised French Joséphine Baker; 3 June 1906 – 12 April 1975) was an American-born French dancer, singer and actress. Her career was centered primarily in Europe, mostly in her adopted Fran ...

( NAACP) ** National Awakening Day (Indonesia) ** National Day (Cameroon) **

World Metrology Day World Metrology Day is an event occurring on 20 May celebrating the International System of Units. The date is the anniversary of the signing of the Metre Convention in 1875. Metrology is the study of measurement. The World Metrology Day proje ...

May 21 Events Pre-1600 * 293 – Roman Emperors Diocletian and Maximian appoint Galerius as ''Caesar'' to Diocletian, beginning the period of four rulers known as the Tetrarchy. * 878 – Syracuse, Sicily, is captured by the Muslim Aghlabi ...

Afro-Colombian Day Afro-Colombian Day, or Día de la Afrocolombianidad is an annual commemoration of the abolition of slavery in Colombia on May 21, 1851. May 21 is also the day of the first established free town in the Americas, Palenque de San Basilio. Afro-Colomb ...

(Colombia) **

Circassian Day of Mourning The Circassian Day of Mourning () or the Day of Mouning for the Victims of the Circassian Genocide (often censored in Russian media as Day of Remembrance for the Victims of the Caucasus War) is mourned every year on 21 May in remembrance of the vi ...

(

Circassians The Circassians (also referred to as Cherkess or Adyghe; Adyghe and Kabardian: Адыгэхэр, romanized: ''Adıgəxər'') are an indigenous Northwest Caucasian ethnic group and nation native to the historical country-region of Circassia ...

) ** Day of Patriots and Military (Hungary) **

(Chile) **Saint Helena Day, celebrates the discovery of Saint Helena in 1502. **

World Day for Cultural Diversity for Dialogue and Development The World Day for Cultural Diversity for Dialogue and Development is a United Nations–sanctioned international holiday for the promotion of diversity and dialogue issues. It is currently celebrated on May 21. The United Nations General Assem ...

(

) **One of the three festivals of Vejovis (

Roman Empire The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τῶν Ῥωμαίων, Basileía tôn Rhōmaíōn) was the post- Republican period of ancient Rome. As a polity, it included large territorial holdings around the Mediter ...

) *

May 22 Events Pre-1600 * 192 – Dong Zhuo is assassinated by his adopted son Lü Bu. * 760 – Fourteenth recorded perihelion passage of Halley's Comet. * 853 – A Byzantine fleet sacks and destroys undefended Damietta in Egypt. * 1 ...

** Abolition Day (

Martinique Martinique ( , ; gcf, label=Martinican Creole, Matinik or ; Kalinago: or ) is an island and an overseas department/region and single territorial collectivity of France. An integral part of the French Republic, Martinique is located in ...

) **

Harvey Milk Day Harvey Milk Day is organized by the Harvey Milk Foundation and celebrated each year on May 22 in memory of Harvey Milk, a gay rights activist who was assassinated in 1978. Harvey Milk was a prominent gay activist during the 20th century. He ran ...

(

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...

) **

International Day for Biological Diversity The International Day for Biological Diversity (or World Biodiversity Day) is a United Nations–sanctioned international day for the promotion of biodiversity issues. It is currently held on May 22. The International Day for Biological Divers ...

(

) **

National Maritime Day Maritime Days are holidays typically established to recognize accomplishments in the maritime field. Maritime Days include: * China National Maritime Day * European Maritime Day * Indian Maritime Day (5 April) * Mexican National Maritime Day * Pa ...

(United States) **

National Sovereignty Day (Haiti) The following are public holidays in Haiti. Many Vodou holidays are also celebrated, but are not considered public holidays. The two most important holidays for Haitian Americans are Haitian Independence Day and Haitian Flag Day. In additi ...

** Republic Day (Sri Lanka) **

Translation of the Relics of Saint Nicholas from Myra to Bari The Translation of the Relics of Saint Nicholas from Myra to Bari is a religious and folk holiday among the East Slavs and, to a lesser extent, the South Slavs and Eastern Romance peoples. It is celebrated on May 9 each year. For Old (Julian) ...

(Ukraine) ** Unity Day (Yemen) **

World Goth Day World Goth Day is observed annually on 22 May. The Official World Goth Day site defines it as "a day where the goth scene gets to celebrate its own being, and an opportunity to make its presence known to the rest of the world." World Goth Day orig ...

May 23 Events Pre-1600 * 1430 – Joan of Arc is captured at the Siege of Compiègne by troops from the Burgundian faction. *1498 – Girolamo Savonarola is burned at the stake in Florence, Italy. * 1533 – The marriage of King Henry VI ...

Constitution Day (Germany) Constitution Day is a holiday to honour the constitution of a country. Constitution Day is often celebrated on the anniversary of the signing, promulgation or adoption of the constitution, or in some cases, to commemorate the change to constitut ...

Labour Day (Jamaica) Labour Day (''Labor Day'' in the United States) is an annual holiday to celebrate the achievements of workers. Labour Day has its origins in the labour union movement, specifically the eight-hour day movement, which advocated eight hours for wo ...

** Students' Day (Mexico) **

World Turtle Day World Turtle Day is an annual observance held every May 23rd. It began in 2000 and is sponsored by American Tortoise Rescue. The day was created as a yearly observance to help people celebrate and protect turtles and tortoises and their disappea ...

* May 24 ** Feast of

Mary Help of Christians Mary, the Help of Christians ( la, Sancta Maria Auxilium Christianorum) is a Roman Catholic title of the Blessed Virgin Mary, based on a devotion now associated with a feast day of the General Roman Calendar on May 24. John Chrysostom was the ...

( Roman Catholicism) ** Aldersgate Day/ Wesley Day (

Methodism Methodism, also called the Methodist movement, is a group of historically related denominations of Protestant Christianity whose origins, doctrine and practice derive from the life and teachings of John Wesley. George Whitefield and John's br ...

) ** Battle of Pichincha Day (Ecuador) **

Commonwealth Day (Belize) This is a list of public holidays in Belize. Public holidays *(*) Moveable holidays *(**) Replacement days: **Note 1 – Chapter 289 of the laws of Belize states that if the holiday falls on a Sunday, the following Monday is observed as the ba ...

** Independence Day (Eritrea) ** Lubiri Memorial Day ( Buganda) ** Saints Cyril and Methodius Day (

) and its related observance: ***

Bulgarian Education and Culture and Slavonic Literature Day The Day of Bulgarian Alphabet, Bulgarian Enlightenment and Culture ( bg, Ден на българската просвета и култура и на славянската писменост) has been celebrated in Bulgaria since 11 May 1851 (ol ...

(Bulgaria) *** Saints Cyril and Methodius, Slavonic Enlighteners' Day (North Macedonia) *

May 25 Events Pre-1600 * 567 BC – Servius Tullius, the king of Rome, celebrates a triumph for his victory over the Etruscans. *240 BC – First recorded perihelion passage of Halley's Comet. * 1085 – Alfonso VI of Castile takes Tol ...

Africa Day Africa Day (formerly African Freedom Day and African Liberation Day) is the annual commemoration of the foundation of the Organisation of African Unity on 25 May 1963. It is celebrated in various countries on the African continent, as well as a ...

( African Union) **

African Liberation Day Africa Day (formerly African Freedom Day and African Liberation Day) is the annual commemoration of the foundation of the Organisation of African Unity on 25 May 1963. It is celebrated in various countries on the African continent, as well as a ...

( African Union) ** Day of Youth ** Geek Pride Day ** Independence Day (Jordan) **

(Lebanon) **

May Revolution The May Revolution ( es, Revolución de Mayo) was a week-long series of events that took place from May 18 to 25, 1810, in Buenos Aires, capital of the Viceroyalty of the Río de la Plata. This Spanish colony included roughly the terri ...

(or Revolución de Mayo), a national holiday in Argentina ** International Missing Children's Day **

Last bell The last bell (russian: Последний звонок, ''Posledniy zvonok'') is a traditional ceremony in the schools of Russia and some other post-Soviet countries. The celebration is carried out just after all the studies are finished, but bef ...

(Russia, post-Soviet countries) **

Liberation Day (Lebanon) Resistance and Liberation Day (Arabic:عيد المقاومة والتحرير, ''Yawm al-Muqawamat Waltahrir)'' is a Lebanese holiday celebrated on May 25. On May 25, 2000, the Israeli army withdrew from territory in Southern Lebanon, marking ...

National Day (Argentina) The Anniversary of the First National Government ( es, Primer gobierno patrio) is a public holiday of Argentina, commemorating the May Revolution and the creation of the Primera Junta on May 25, 1810, which is considered the first patriotic govern ...

National Missing Children's Day National Missing Children's Day has been commemorated in the United States on May 25, since 1983, when it was first proclaimed by President Ronald Reagan. It falls on the same day as the International Missing Children's Day, which was established ...

(United States) **

National Tap Dance Day National Tap Dance Day falls on May 25 every year, and is a celebration of tap dance as an American art form. The idea of National Tap Dance Day was first presented to U.S. Congress on February 7, 1989, and was signed into US American Law by Pr ...

(United States) ** Towel Day *

May 26 Events Pre-1600 * 17 – Germanicus celebrates a triumph in Rome for his victories over the Cherusci, Chatti, and other German tribes west of the Elbe. * 451 – Battle of Avarayr between Armenian rebels and the Sasanian Empire tak ...

** Crown Prince's Birthday (Denmark) ** Independence Day (Guyana) **

Independence Day (Georgia) Independence Day ( ka, დამოუკიდებლობის დღე, tr) is an annual public holiday in Georgia observed on 26 May. It commemorates the 26 May 1918 adoption of the Act of Independence, which established the Democratic Re ...

(Poland) ** National Day of Healing (Australia) ** National Paper Airplane Day (United States) * May 27 **

Armed Forces Day (Nicaragua) Holidays May 30 mother´s day Variable dates *2020 **Holy Thursday: April 9 **Good Friday: April 10 **Easter: April 12 *2021 **Holy Thursday: April 1 **Good Friday: April 2 **Easter: April 4 *2022 **Holy Thursday: April 14 **Good Friday: Apri ...

Children's Day (Nigeria) Nigeria has many public holidays. Public holidays Movable holidays In addition, Nigeria officially celebrates a few moveable holidays, which occur on different dates every year: References Office holidays in NigeriaMother's Day (Bolivia) ** Navy Day (Japan) ** Slavery Abolition Day ( Guadeloupe,

Saint Barthélemy Saint Barthélemy (french: Saint-Barthélemy, ), officially the Collectivité territoriale de Saint-Barthélemy, is an overseas collectivity of France in the Caribbean. It is often abbreviated to St. Barth in French, and St. Barts in English ...

, Saint Martin) ** World MS Day **Start of

National Reconciliation Week National Reconciliation Week is intended to celebrate Indigenous history and culture in Australia and foster reconciliation discussion and activities. It started as the Week of Prayer for Reconciliation in 1993, developing into National Reconcil ...

(Australia) *

May 28 Events Pre-1600 *585 BC – A solar eclipse occurs, as predicted by the Greek philosopher and scientist Thales, while Alyattes is battling Cyaxares in the Battle of the Eclipse, leading to a truce. This is one of the cardinal dates from ...

Armed Forces Day (Croatia) 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, ...

Downfall of the Derg Day The following are public holidays (Amharic: የኢትዮጵያ ብሔራዊ በዓል) in Ethiopia. Many holidays follow the Ethiopian Orthodox Tewahedo Church. National holiday Religious holidays Ethiopian Orthodox Tewahedo Church holiday ...

(Ethiopia) ** Flag Day (Philippines) (Display of the flag in all places until June 12 is encouraged) ** Independence Day (Armenia) **

(Nepal) ** TDFR Republic Day ** Youm-e-Takbir (Pakistan) *

May 29 Events Pre-1600 * 363 – The Roman emperor Julian defeats the Sasanian army in the Battle of Ctesiphon, under the walls of the Sasanian capital, but is unable to take the city. * 1108 – Battle of Uclés: Almoravid troops under ...

Army 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 Octob ...

(Argentina) **

International Day of United Nations Peacekeepers The International Day of United Nations Peacekeepers, May 29, is "an international day to pay tribute to all the men and women who have served and continue to serve in United Nations peacekeeping operations for their high level of professionalis ...

(

) **

Oak Apple Day Restoration Day, more commonly known as Oak Apple Day or Royal Oak Day, was an English, Welsh and Irish public holiday, observed annually on 29 May, to commemorate the restoration of the Stuart monarchy in May 1660. In some parts of England t ...

(England), and its related observance: *** Castleton Garland Day ( Castleton) ** Statehood Day (

Rhode Island Rhode Island (, like ''road'') is a state in the New England region of the Northeastern United States. It is the smallest U.S. state by area and the seventh-least populous, with slightly fewer than 1.1 million residents as of 2020, but it ...

and

Wisconsin Wisconsin () is a state in the upper Midwestern United States. Wisconsin is the 25th-largest state by total area and the 20th-most populous. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake M ...

) **

Veterans Day (Sweden) Veterans Day ( sv, Veterandagen) is observed annually in Sweden on May 29 at the Maritime Museum in Stockholm in honor of people who are or have been serving with the Swedish Armed Forces in international military operations, as well as commemor ...

** World Digestive Health Day * May 30 ** Anguilla Day (

) **

Canary Islands Day The Day of the Canary Islands ( es, Día de Canarias) is celebrated annually on 30 May. It is a public holiday in the Spanish autonomous community of the Canary Islands. The day was chosen as the anniversary of the first session of the Parliam ...

(Spain) **

Indian Arrival Day (Trinidad and Tobago) Indian Arrival Day is a holiday celebrated on various days in the nations of the Caribbean, Fiji, South Africa, and Mauritius, commemorating the arrival of people from the Indian subcontinent to their respective nations as indentured labours bro ...

** Lod Massacre Remembrance Day (Puerto Rico) **

(Nicaragua) ** Parliament Day (Croatia) *

May 31 Events Pre-1600 * 455 – Emperor Petronius Maximus is stoned to death by an angry mob while fleeing Rome. * 1223 – Mongol invasion of the Cumans: Battle of the Kalka River: Mongol armies of Genghis Khan led by Subutai defeat K ...

** Anniversary of Royal Brunei Malay Regiment (

Brunei Brunei ( , ), formally Brunei Darussalam ( ms, Negara Brunei Darussalam, Jawi: , ), is a country located on the north coast of the island of Borneo in Southeast Asia. Apart from its South China Sea coast, it is completely surrounded by t ...

) ** Castile–La Mancha Day ( Castile-La Mancha) ** Visitation of Mary (

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 No Tobacco Day World No Tobacco Day (WNTD) is observed around the world every year on 31 May. The yearly celebration informs the public on the dangers of using tobacco, the business practices of tobacco companies, what the World Health Organization (WHO) is ...

(

)

References

{{Authority control *05

Ancient Roman observances

May symbols

May observances

Month-long observances

United States

Non-Gregorian observances, 2020

Movable observances, 2020

Non-religious and civic observances with movable dates

Last Friday in April to the first Sunday in May: April 26 – May 5

First Thursday: May 2

First Saturday: May 4

= First Sunday: May 5

First full week: May 5–11

= Tuesday of First full week: May 4

= Wednesday of first full week: May 8

Second week in May: May 5–11

First Tuesday: May 7

Friday preceding Second Sunday in May: May 10

Saturday closest to May 10: May 11

Second Saturday: May 8

Second Weekend: May 11–12

Second Sunday: May 9

Week of May 12 Events Pre-1600 * 254 – Pope Stephen I succeeds Pope Lucius I, becoming the 23rd pope of the Catholic Church, and immediately takes a stand against Novatianism. * 907 – Zhu Wen forces Emperor Ai into abdicating, ending the Tang d ...: May 6-12

Third Weekend, including Friday: May 14-16

Third Friday: May 21

Third Saturday: May 15

Third Sunday: May 16

Monday on or before May 24: May 24

Third Monday: May 17

Monday on or before May 25: May 24

Last Monday preceding May 25: May 24

May 24, or the nearest weekday if May 24 falls on a weekend: May 24

Saturday closest to May 30: May 29

Last Weekend: May 29–30

Last Sunday: May 30

Last Monday: May 31

Last Wednesday: May 26

Last Thursday: May 27

Fixed observances in May

See also

References

Week of
May 12 Events Pre-1600 * 254 – Pope Stephen I succeeds Pope Lucius I, becoming the 23rd pope of the Catholic Church, and immediately takes a stand against Novatianism. * 907 – Zhu Wen forces Emperor Ai into abdicating, ending the Tang d ...
: May 6-12