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 d ...

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), a season of the year * Spring (device), a mechanical device that stores energy * Spring (hydrology), a natural source of water * Spring (mathematics), a geometric surface in the shape of a h ...

in the Northern Hemisphere, and

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

in the Southern Hemisphere. Therefore, May in the Southern Hemisphere is the seasonal equivalent of

November November is the eleventh and penultimate month of the year in the Julian and Gregorian Calendars, the fourth and last of four months to have a length of 30 days and the fifth and last of five months to have a length of fewer than 31 days. Nov ...

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 off ...

) that ends on

Labor Day Labor Day is a federal holiday in the United States celebrated on the first Monday in September to honor and recognize the American labor movement and the works and contributions of laborers to the development and achievements of the United St ...

, the first Monday of September. May (in

Latin Latin (, or , ) is a classical language belonging to the Italic languages, 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 ...

, ''

Maius ''Maius'' or ''mensis Maius'' ( May) was the third month of the ancient Roman calendar, following ''Aprilis'' (April) and preceding ''Iunius'' (June). On the oldest Roman calendar that had begun with March, it was the third of ten months in the yea ...

'') 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, 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 A goddess is a female deity. In many known cultures, goddesses are often linked with literal or metaphorical pregnancy or imagined feminine roles associated with how women and girls are perceived or expected to behave. This includes themes ...

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 c ...

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 Augustan literature (ancient Rome), Roman poet who lived during the reign of Augustus. He was a contemporary of the older Virgil and Horace, with whom ...

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 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 The Arietids are a strong meteor shower that lasts from May 22 to July 2 each year, and peaks on June 7. The Arietids, along with the Zeta Perseids, are the most intense daylight meteor showers of the year. The source of the shower is unknown, but ...

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 The rituals of the Argei were archaic religious observances in ancient Rome that took place on March 16 and March 17, and again on May 14 or May 15. By the time of Augustus, the meaning of these rituals had become obscure even to those who pra ...

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 Pompi ...

fell on May 21, and

Ambarvalia Ambarvalia was a Roman agricultural fertility rite held on 29 May in honor of Ceres and Dea Dia. At these festivals they sacrificed a bull, a sow, and a sheep, which, before the sacrifice, were led in procession thrice around the fields; whence ...

on May 29.

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

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 Alexandri ...

, and lasted until May 3.

Lemuria (festival) The Lemuralia or Lemuria was an annual event in the religion of ancient Rome, during which the Romans performed rites to exorcise any malevolent and fearful ghosts of the restless dead from their homes. These unwholesome spectres, the ''lemur ...

fell on 9,11, and 13 May under the Julian calendar. The

College of Aesculapius and Hygia The College of Aesculapius and Hygia was an association ''( collegium)'' founded in the mid-2nd century AD by a wealthy Roman woman named Salvia Marcellina, in honor of her dead husband and the procurator for whom he had worked. It is known from a ...

celebrated two festivals of

Rosalia (festival) In the Roman Empire, Rosalia or Rosaria was a festival of roses celebrated on various dates, primarily in May, but scattered through mid-July. The observance is sometimes called a ''rosatio'' ("rose-adornment") or the ''dies rosationis'', "day ...

, 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 In the Roman Empire, Rosalia or Rosaria was a festival of roses celebrated on various dates, primarily in May, but scattered through mid-July. The observance is sometimes called a ''rosatio'' ("rose-adornment") or the ''dies rosationis'', "day o ...

, 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 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 Emerald is a gemstone and a variety of the mineral beryl (Be3Al2(SiO3)6) colored green by trace amounts of chromium or sometimes vanadium.Hurlbut, Cornelius S. Jr. and Kammerling, Robert C. (1991) ''Gemology'', John Wiley & Sons, New York, p ...

which is emblematic of love and success.

*The May birth flowers are the Lily of the Valley 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 i ...

''. 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 pa ...

signs for the month of May are Taurus (until May 20) and Gemini (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 Jewish woman of Nazareth, the wife of Joseph and the mother ...

. See May devotions to the Blessed Virgin Mary * Celiac Awareness Month *

Cystic Fibrosis Cystic fibrosis (CF) is a rare genetic disorder that affects mostly the lungs, but also the pancreas, liver, kidneys, and intestine. Long-term issues include difficulty breathing and coughing up mucus as a result of frequent lung infections. Ot ...

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 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 ...

) * 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 (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, Bhuta ...

(International) * World Trade Month

United States

* Asian Pacific American Heritage Month * 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, ...

) * 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 Moving Month * National

Osteoporosis Osteoporosis is a systemic skeletal disorder characterized by low bone mass, micro-architectural deterioration of bone tissue leading to bone fragility, and consequent increase in fracture risk. It is the most common reason for a broken bone a ...

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

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

* List of observances set by the Hebrew calendar * List of observances set by the Islamic calendar * List of observances set by the Solar Hijri calendar

Movable observances, 2020

* Phi Ta Khon (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 (

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 Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...

): May 5 – 11 * National Hurricane Preparedness Week (

): 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 Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. With an area of , Australia is the largest country by ...

): May 17 *

Emergency Medical Services Week Emergency medical services (EMS) Week, or EMS Week, was originally authorized by President Gerald Ford on November 4, 1974 for the week of November 3–10. Since 1992, EMS Week has moved to the third week of May. In 2023, the 48th annual celebratio ...

(

): May 19 – 25 *

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

(May 27 – June 2)

Movable Western Christian observances, 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 May devotions to the Blessed Virgin Mary. 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 kn ...

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 ...

) Fourth Sunday after Easter: May 12 *

Cantate Sunday The Fifth Sunday of Easter is the Sunday four weeks after the Christian celebration of Easter. In Western Christianity, this day is also known as the Fourth Sunday after Easter or Cantate Sunday. Eastern Christianity also calls this day the "Fifth ...

* Good Shepherd Sunday Fourth Friday after Easter: May 17 * Store Bededag (

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 Monday, Tuesday, and Wednesday preceding Feast of the Ascension: May 27–29 *Minor

Rogation days 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 ...

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 (Germany) **

Festa della Sensa The Fèsta de ƚa Sènsa was a feast of the Republic of Venice held on the occasion of the feast of the Ascension (in the Venetian language, Sensa) and still celebrated as a recreation today. It commemorated two significant dates in the Republic' ...

(

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

) ** 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 ...

)

Movable Eastern Christian observances, 2020 dates

Wednesday after Pascha: May 1 * Bright Wednesday Thursday after Pascha: May 2 * Bright Thursday Friday after Pascha: May 3 *

Bright Friday Easter Friday, or Bright Friday, is the Friday after the Christian festival of Easter. At times, this name has been confused with Good Friday,For example, the songEaster Friday" by Simone Richardson, 2006. Published by Emu Music. which falls ...

Saturday after Pascha: May 4 * Bright Saturday 8th day after Pascha: May 5 * Thomas Sunday 2nd Tuesday of Pascha, or 2nd Monday of Pascha, depending on region: May 6 or May 7 * Radonitsa (

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 Ca ...

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 to ...

)

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 The Kentucky Derby is a horse race held annually in Louisville, Kentucky, United States, almost always on the first Saturday in May, capping the two-week-long Kentucky Derby Festival. The competition is a Grade I stakes race for three-yea ...

(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 U.S. state, 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 (state), New York to the west, and the Provin ...

) *

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 = , coordinat ...

Cape Verde , national_anthem = () , official_languages = Portuguese , national_languages = Cape Verdean Creole , capital = Praia , coordinates = , largest_city = capital , demonym ...

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

Lithuania Lithuania (; lt, Lietuva ), officially the Republic of Lithuania ( lt, Lietuvos Respublika, links=no ), is a country in the Baltic region of Europe. It is one of three Baltic states and lies on the eastern shore of the Baltic Sea. 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 th ...

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") , ...

) *

World Laughter Day World Laughter Day was established in 1998 and the first celebration was on 10 May 1998, in Mumbai, India, arranged by Dr. Madan Kataria, founder of the worldwide Laughter Yoga movement. The day is now celebrated on first Sunday of May worldwide. ...

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 illness ...

= Tuesday of First full week: May 4

= * National Teacher Appreciation Day (

)

= Wednesday of first full week: May 8

= *

Occupational Safety and Health Professional Day Occupational Safety and Health Professional (OSHP) Day recognizes the efforts and commitment of occupational safety, health and environmental professionals to protect people, property and the environment. The American Society of Safety Engineers’ ...

Second week in May: May 5–11

* National Stuttering Awareness Week (

)

First Tuesday: May 7

World Asthma Day World Asthma Day is an annual event organized by the Global Initiative for Asthma (GINA) to improve asthma awareness and care around the world. World Asthma Day takes place on May 3. The theme of 2021's event was "Uncovering Asthma Misconceptions, ...

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 National Public Gardens Day, occurring annually on the Friday before Mother's Day, is a day to promote awareness of botanic gardens, arboreta, zoos, historic gardens, or any of North America's public gardens. The day was established by the America ...

(United States)

Saturday closest to May 10: May 11

National Train Day National Train Day was a holiday started by Amtrak in 2008 as a method to spread information to the general public about the advantages of railway travel and the history of trains in the United States. It was held each year on the Saturday closest ...

(

)

Second Saturday: May 8

International 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 conserv ...

(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 continental mainland. It comprises England, Scotland, Wales and ...

) *

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 conserv ...

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) * Father's Day (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 Bonaire (; , ; pap, Boneiru, , almost pronounced ) is a Dutch island in the Leeward Antilles in the Caribbean Sea. Its capital is the port of Kralendijk, on the west ( leeward) coast of the island. Aruba, Bonaire and Curaçao form the ABC ...

, Brazil, Brunei, Canada, Chile, Colombia, Cuba, Croatia,

Curaçao Curaçao ( ; ; pap, Kòrsou, ), officially the Country of Curaçao ( nl, Land Curaçao; pap, Pais Kòrsou), is a Lesser Antilles island country in the southern Caribbean Sea and the Dutch Caribbean region, about north of the Venezuela coa ...

, 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 List of cities in China, city and Special administrative regions of China, special ...

, 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 (

Tokyo Tokyo (; ja, 東京, , ), officially the Tokyo Metropolis ( ja, 東京都, label=none, ), is the capital and largest city of Japan. Formerly known as Edo, its metropolitan area () is the most populous in the world, with an estimated 37.46 ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the n ...

)

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 *

Endangered Species An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inv ...

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 Graded stakes race, Grade I race run over a distance of ...

is run, second jewel in the triple crown of horse racing. * Armed Forces Day (United States) *

Culture Freedom Day Culture Freedom Day is an observance of free culture. It takes place annually on the third Saturday of May. It aims at educating the worldwide public about the benefits of using and encouraging free culture as well as providing an international day ...

* Sanja Matsuri * World Whisky Day

Third Sunday: May 16

* Commemoration Day of Fallen Soldiers * Father's Day (

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 * Sanja Matsuri (

)

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 The Cayman Islands () is a self-governing British Overseas Territory—the largest by population in the western Caribbean Sea. The territory comprises the three islands of Grand Cayman, Cayman Brac and Little Cayman, which are located to the ...

)

Monday on or before May 25: May 24

National Patriots' Day National Patriots' Day (french: Journée nationale des Patriotes) is a statutory holiday observed annually in the Canadian province of Quebec, on the Monday preceding 25 May. The holiday was established by the Lieutenant Governor of Quebec- in-C ...

(

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 thirte ...

)

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 Day is a public holiday in the islands of Bermuda. It is celebrated on the last Friday in May (previously on 24 May or nearest Monday if that fell on a weekend. From 2018, a decision was made to move it permanently to a Friday). Bermud ...

(Bermuda)

Saturday closest to May 30: May 29

* Armed Forces Day (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. Ky ...

)

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 Public Holidays in Turkmenistan are laid out in the Constitution of Turkmenistan, It acts as a list of nationally recognized public holidays in the country. Main public holidays * New Year's Day (January 1) * International Women's Day (March 8) ...

(Turkmenistan)

Last Monday: May 31

* Heroes' Day (Turks and Caicos Islands) *

(United States), a public holiday, is on

May 30 Events Pre-1600 * 70 – Siege of Jerusalem: Titus and his Roman legions breach the Second Wall of Jerusalem. Jewish defenders retreat to the First Wall. The Romans build a circumvallation, cutting down all trees within fifteen kilometre ...

, but observed on the last Monday in May. *

Ratu Sir Lala Sukuna Day {{Refimprove, date=December 2006 Ratu Sir Lala Sukuna Day (commonly known as Ratu Sukuna Day) was a national public holiday in Fiji until the year 2010, when the Prime Minister, Commodore Voreqe Bainimarama, declared both Ratu Sir Lala Sakuna Day an ...

(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 (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 ...

to May 5 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 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 A picnic is a meal taken outdoors ( ''al fresco'') as part of an excursion, especially in scenic surroundings, such as a park, lakeside, or other place affording an interesting view, or else in conjunction with a public event such as preceding ...

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. *

** Armed Forces Day (

Mauritania Mauritania (; ar, موريتانيا, ', french: Mauritanie; Berber: ''Agawej'' or ''Cengit''; Pulaar: ''Moritani''; Wolof: ''Gànnaar''; Soninke:), officially the Islamic Republic of Mauritania ( ar, الجمهورية الإسلامية ...

) **

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: ) is an island in the North Atlantic Ocean, in north-western Europe. It is separated from Great Britain to its east by the North Channel, the Irish Sea, and St George's Channel. Ireland is the s ...

Neopaganism Modern paganism, also known as contemporary paganism and neopaganism, is a term for a religion or family of religions influenced by the various historical pre-Christian beliefs of pre-modern peoples in Europe and adjacent areas of North Afric ...

) **

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 List of South American countries by area, second-largest ...

) **

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 stat ...

) **

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 Public holidays in Bhutan consist of both national holidays and local festivals or ''tshechus''. While national holidays are observed throughout Bhutan, tsechus are only observed in their areas. Bhutan uses its own calendar, a variant of the lunis ...

(

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 (

) ** Roodmas **

Sun Day Sun Day (May 3, 1978) was designated by United States President Jimmy Carter, specifically devoted to advocacy for solar power, following a joint resolution by Congress, becoming . It was modeled on the highly successful Earth Day of April 22, 1 ...

( International) ** World Press Freedom Day *

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 Wednesd ...

(

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 harmoni ...

) **

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 Cassinga Day is a national public holiday in Namibia remembering the Cassinga Massacre. Commemorated annually on 4 May, the date "remembers those (approximately 600) killed in 1978 when the South African Defence Force attacked a SWAPO base at ...

(

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 ...

) ** Greenery Day (

) ** 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 Chin ...

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 no ...

) ***

Youth Day (China) Youth Day () is a holiday celebrated annually on May 4 in the People's Republic of China, in honor of young people age 14 and older. It was established to commemorate the 1919 May Fourth Movement. Origins On May 4, 1920, the first celebration ...

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 (Netherlands) ** Restoration of Independence day (Latvia) **

Star Wars Day ''Star Wars'' Day is an informal commemorative day observed annually on May4 to celebrate the '' Star Wars'' media franchise created by founder, former chairman and CEO of Lucasfilm, George Lucas. Observance of the day spread quickly throu ...

(

) ** World Give Day ** Youth Day (Fiji) * May 5 **

(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 Zarago ...

** 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 offi ...

Europe Day Europe Day is a day celebrating "peace and unity in Europe" celebrated on 5 May by the Council of Europe and on 9 May by the European Union. The first recognition of Europe Day was by the Council of Europe, introduced in 1964. The European ...

in Europe (uncommon usage, largely replaced by May 9). **

Feast of al-Khadr 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. ...

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 br ...

(Guyana) **

International Midwives' Day International Day of the Midwife was first celebrated May 5, 1991, and has since been observed in over 50 nations around the world. The idea of having a day to recognize and honor midwives came out of the 1987 International Confederation of Midwi ...

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

** Liberation Day (Netherlands) ** 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 This is a list of holidays in Palau. List References Holidays Palau Palau,, officially the Republic of Palau and historically ''Belau'', ''Palaos'' or ''Pelew'', is an island country and microstate in the western Pacific. ...

(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 o ...

(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 (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', the ...

** 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 (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 via ...

): *** 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 Roma or ROMA may refer to: Places Australia * Roma, Queensland, a town ** Roma Airport ** Roma Courthouse ** Electoral district of Roma, defunct ** Town of Roma, defunct town, now part of the Maranoa Regional Council * Roma Street, Brisbane, a ...

) *** Police Day (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) **

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

(Vietnam) ** Radio Day (Russia, Bulgaria) *

May 8 Events Pre-1600 *453 BC – Spring and Autumn period: The house of Zhao defeats the house of Zhi, ending the Battle of Jinyang, a military conflict between the elite families of the State of Jin. * 413 – Emperor Honorius signs an ...

** Miguel Hidalgo's birthday (Mexico) ** Parents' Day (South Korea) ** Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War, continues to May 9 ** Truman Day (

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 (

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 a ...

) **

World Red Cross and Red Crescent Day World Red Cross and Red Crescent Day is an annual celebration of the principles of the International Red Cross and Red Crescent Movement. World Red Cross Red Crescent Day is celebrated on 8 May each year. This date is the anniversary of the bir ...

Veterans Day (Norway) Veterans Day ( no, Veterandagen) in Norway on May 8 was first observed in 2011. It recognizes the efforts of veterans of World War II, United Nations peacekeeping initiatives and other international operations. It was instituted in 2010 by Norw ...

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, whi ...

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 r ...

. *

** Anniversary of Dianetics (

Church of Scientology The Church of Scientology is a group of interconnected corporate entities and other organizations devoted to the practice, administration and dissemination of Scientology, which is variously defined as a cult, a business, or a new religious ...

) **

(

European Union The European Union (EU) is a supranational union, supranational political union, political and economic union of Member state of the European Union, member states that are located primarily in Europe, Europe. The union has a total area of ...

) **

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 Guernsey (; Guernésiais: ''Guernési''; french: Guernesey) is an island in the English Channel off the coast of Normandy that is part of the Bailiwick of Guernsey, a British Crown Dependency. It is the second largest of the Channel Islands ...

), commemorating the end of the

German occupation of the Channel Islands The military occupation of the Channel Islands by Nazi Germany lasted for most of the Second World War, from 30 June 1940 until liberation on 9 May 1945. The Bailiwick of Jersey and Bailiwick of Guernsey are two island countries and British ...

during World War II. **

Liberation Day (Jersey) In Jersey and Guernsey, Liberation Day (Jèrriais: ''Jour d'la Libéthâtion'') is celebrated each year on 9 May, to mark the end of the occupation by Nazi Germany during World War II. It is celebrated as Guernsey and Jersey's national day. Hi ...

, commemorating the end of the

during World War II. ** Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War, continued from May 8. ** Victory Day observances, celebration of the

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

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 th ...

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 ...

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 Transnistri ...

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-ei ...

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 Hu ...

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 s ...

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 (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 The First Nagorno-Karabakh War, referred to in Armenia as the Artsakh Liberation War ( hy, Արցախյան ազատամարտ, Artsakhyan azatamart) was an ethnic conflict, ethnic and territorial conflict that took place from February 1988 t ...

, and the end of World War II. *

May 10 Events Pre-1600 * 28 BC – A sunspot is observed by Han dynasty astronomers during the reign of Emperor Cheng of Han, one of the earliest dated sunspot observations in China. * 1291 – Scottish nobles recognize the authority of ...

(Maldives) ** Confederate Memorial Day (

North Carolina North Carolina () is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. The state is the List of U.S. states and territories by area, 28th largest and List of states and territories of the United ...

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 North America's first transcontinental railroad (known originally as the "Pacific Railroad" and later as the " Overland Route") was a continuous railroad line constructed between 1863 and 1869 that connected the existing eastern U.S. rail netwo ...

– Promontory Summit, Utah) ** Independence Day (Romania), 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

during World War II. *

May 11 Events 1601–1900 * 1812 – Prime Minister Spencer Perceval is assassinated by John Bellingham in the lobby of the British House of Commons. * 1813 – William Lawson, Gregory Blaxland and William Wentworth discover a route acr ...

** 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 t ...

) ** 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 * May 13 **

Abbotsbury Garland Day Held on 13 May each year, the Abbotsbury Garland Day celebrations have taken place in the Dorset village of Abbotsbury since about the early 19th century. They were first described in the edition of John Hutchins' ''History of Dorset Dorset ...

(

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) ** Heroes' Day (Romania) **

Rotuma Day Rotuma Day is an annual celebration on the island of Rotuma, a Fijian dependency. It falls on May 13, the anniversary of the island's cession to the United Kingdom in 1881. As there are more people of Rotuman descent outside Rotuma than on th ...

(

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 f ...

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 , 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 , fa ...

. (

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 The following are public holiday A public holiday, national holiday, or legal holiday is a holiday generally established by law and is usually a non-working day during the year. Sovereign nations and territories observe holidays based on event ...

(Liberia) * May 15 **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 **

Army Day (Slovenia) There are two kinds of public holidays in Slovenia – state holidays and work-free days. State holidays are those celebrated by the state. These include official functions and flying the national flag. The latter are actually Catholic religious ...

Constituent Assembly Day All official holidays in Lithuania are established by acts of Seimas The Seimas of the Republic of Lithuania ( lt, Lietuvos Respublikos Seimas), or simply the Seimas (), is the unicameral parliament of Lithuania. The Seimas constitutes the l ...

(Lithuania) ** Independence Day (Paraguay) **

International Day of Families The International Day of Families is observed on 15 May every year. The Day was proclaimed by the UN General Assembly in 1993 with resolution A/RES/47/237 and reflects the importance the international community attaches to families. The Intern ...

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 (United States) ** Republic Day (

) **

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 Jessup, ...

(Colombia, Mexico, South Korea) *

May 16 Events Pre-1600 * 946 – Emperor Suzaku abdicates the throne in favor of his brother Murakami who becomes the 62nd emperor of Japan. * 1204 – Baldwin IX, Count of Flanders is crowned as the first Emperor of the Latin Empire. * 1 ...

** Martyrs of Sudan ( Episcopal Church (USA)) **

St Brendan Brendan of Clonfert (c. AD 484 - c.577), is one of the early Irish monastic saints and one of the Twelve Apostles of Ireland. He is also referred to as Brendan the Navigator, Brendan the Voyager, Brendan the Anchorite, Brendan the Bold. The ...

Birthday & Feast day ** Mass Graves Day (Iraq) ** National Day, declared by Salva Kiir Mayardit (South Sudan) **

(Malaysia) * May 17 **

National Day Against Homophobia The National Day Against Homophobia is a Canadian event organized by the ''Fondation Émergence''. June 1, 2005, marked the event's third anniversary, which was celebrated with a posthumous award to the late Prime Minister Pierre Trudeau, who as ...

(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. B ...

, 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 (

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, ...

) **

World Hypertension Day World Hypertension Day (WHD) is a day designated and initiated by The World Hypertension League (WHL), which is itself an umbrella to organizations of 85 national hypertension societies and leagues. The day was initiated to increase the awareness o ...

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 ;Wo ...

(Democratic Republic of the Congo) ** Navy Day (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 **

Baltic Fleet Day The following is the list of official public holidays recognized by the Government of Russia. On these days, government offices, embassies and some shops, are closed. If the date of observance falls on a weekend, the following Monday will be ...

(Russia) ** Battle of Las Piedras Day (Uruguay) ** Day of Remembrance of Crimean Tatar genocide (Ukraine) **

Flag and Universities Day 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 addi ...

(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 Ri ...

( 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 r ...

(

Sri Lankan Tamils Sri Lankan Tamils ( or ), also known as Ceylon Tamils or Eelam Tamils, are Tamils native to the South Asian island state of Sri Lanka. Today, they constitute a majority in the Northern Province, live in significant numbers in the Eastern P ...

) ** 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 Lib ...

** World AIDS Vaccine Day * May 19 **

Commemoration of Atatürk, Youth and Sports Day The Commemoration of Atatürk, Youth and Sports Day ( tr, Atatürk'ü Anma, Gençlik ve Spor Bayramı), is an annual Turkish national holiday celebrated on May 19 to commemorate Mustafa Kemal's landing at Samsun on May 19, 1919, which is regard ...

(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 Hepatitis Testing Day is 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 ...

(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) ** Emancipation Day (Florida) **

European Maritime Day European Maritime Day (EMD), celebrated on 20 May each year, seeks to raise European citizens' awareness of the seas and their importance. Several events take place during that day, including an annual stakeholder conference co-organised by the Eu ...

(

European Council The European Council (informally EUCO) is a collegiate body that defines the overall political direction and priorities of the European Union. It is composed of the heads of state or government of the EU member states, the President of the ...

) **

Independence Day (Cuba) References {{DEFAULTSORT:Public Holidays In Cuba Cuban culture Cuba Society of Cuba Holidays ...

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

, East Timor ** Josephine Baker Day (

NAACP The National Association for the Advancement of Colored People (NAACP) is a civil rights organization in the United States, formed in 1909 as an interracial endeavor to advance justice for African Americans by a group including W. E.&n ...

) **

National Awakening Day The Indonesian National Awakening ( id, Kebangkitan Nasional Indonesia) is a term for the period in the first half of the 20th century, during which people from many parts of the archipelago of Indonesia first began to develop a national consci ...

(Indonesia) **

National Day (Cameroon) The National Day () of Cameroon, also known as Unity Day (''fête nationale de l’unité''), is celebrated annually on 20 May. In a national referendum on 20 May 1972, Cameroonians voted for a unitary state as opposed to the existing federal ...

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 projec ...

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 (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) ** Navy Day (Chile) **Saint Helena Day, celebrates the discovery of

Saint Helena Saint Helena () is a British overseas territory located in the South Atlantic Ocean. It is a remote volcanic tropical island west of the coast of south-western Africa, and east of Rio de Janeiro in South America. It is one of three constit ...

in 1502. ** World Day for Cultural Diversity for Dialogue and Development ( International) **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-Roman Republic, Republican period of ancient Rome. As a polity, it included large territorial holdings aro ...

) *

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. *11 ...

** 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 (

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 ( International) ** National Maritime Day (United States) ** National Sovereignty Day (Haiti) ** Republic Day (Sri Lanka) ** Translation of the Relics of Saint Nicholas from Myra to Bari (Ukraine) **

Unity Day (Yemen) Unity Day of Yemen (also called National Unity Day, National Day, Republic Day) is national holiday in Yemen held on May 22. It commemorates the unification of North Yemen and South Yemen, which took place on this date in 1990. On this day, th ...

** World Goth Day *

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) ** 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 disappe ...

May 24 Events Pre-1600 * 919 – The nobles of Franconia and Saxony elect Henry the Fowler at the Imperial Diet in Fritzlar as king of the East Frankish Kingdom. * 1218 – The Fifth Crusade leaves Acre for Egypt. * 1276 – Magnus ...

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

) **

Aldersgate Day Aldersgate Day, or Wesley Day, is an anniversary observed by Methodist Christians on 24 May. It recalls the day in 1738 when Church of England priest John Wesley attended a group meeting in Aldersgate, London, where he received an experience of ...

/ 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 b ...

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

Independence Day (Eritrea) The Independence Day of Eritrea is one of the most important public holidays in the country. It is observed on May 24 every year. On this day in 1991, Eritrean People's Liberation Front forces moved into the capital Asmara, reinstating independen ...

** Lubiri Memorial Day (

Buganda Buganda is a Bantu kingdom within Uganda. The kingdom of the Baganda people, Buganda is the largest of the traditional kingdoms in present-day East Africa, consisting of Buganda's Central Region, including the Ugandan capital Kampala. The 14 mi ...

) **

Saints Cyril and Methodius Day Cyril (born Constantine, 826–869) and Methodius (815–885) were two brothers and Byzantine Christian theologians and missionaries. For their work evangelizing the Slavs, they are known as the "Apostles to the Slavs". They are credited w ...

(

) 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 (

African Union The African Union (AU) is a continental union consisting of 55 member states located on the continent of Africa. The AU was announced in the Sirte Declaration in Sirte, Libya, on 9 September 1999, calling for the establishment of the Africa ...

) ** African Liberation Day (

) **

Day of Youth National Youth Day is a holiday dedicated to the youths of a country. It is observed by 18 countries, on many dates throughout the year. The United Nations agreed on the date of 12 August in 1999 in South Africa. National Youth Day Internation ...

Geek Pride Day Geek Pride Day is an initiative to promote geek culture, celebrated annually on May 25. The initiative originated in Spain in 2006 as ( es, Día del orgullo friki) and spread around the world via the Internet. Origins Tim McEachern organized ...

(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 (Russia, post-Soviet countries) ** Liberation Day (Lebanon) ** National Day (Argentina) ** National Missing Children's Day (United States) ** National Tap Dance Day (United States) **

Towel Day Towel Day is celebrated every year on 25 May as a tribute to the author Douglas Adams by his fans. On this day, fans openly carry a towel with them, as described in Adams' ''The Hitchhiker's Guide to the Galaxy'', to demonstrate their appreciat ...

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 Empir ...

** Crown Prince's Birthday (Denmark) **

(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 National Sorry Day, or the National Day of Healing, is an annual event that has been held in Australia on 26 May since 1998. The event remembers and commemorates the mistreatment of the country's Indigenous peoples as part of an ongoing proces ...

(Australia) **

National Paper Airplane Day National Paper Airplane Day is an unofficial observance, celebrated on May 26 each year in the United States to commemorate the simple aeronautical toy. Paper airplane day celebrations typically include social gatherings at which participants ...

(United States) *

May 27 Events Pre-1600 *1096 – Count Emicho enters Mainz, where his followers massacre Jewish citizens. At least 600 Jews are killed. * 1120 – Richard III of Capua is anointed as Prince two weeks before his untimely death. * 1153 &ndash ...

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 File:2021 collage V2.png, From top left, clockwise: the James Webb Space Telescope was launched in 2021; Protester ...

** Children's Day (Nigeria) **

Mother's Day (Bolivia) 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 the ...

Navy Day (Japan) were established by the of 1948 (as amended). A provision of the law establishes that when a national holiday falls on a Sunday, the next working day shall become a public holiday, known as . Additionally, any day that falls between two other na ...

** Slavery Abolition Day (

Guadeloupe Guadeloupe (; ; gcf, label= Antillean Creole, Gwadloup, ) is an archipelago and overseas department and region of France in the Caribbean. It consists of six inhabited islands— Basse-Terre, Grande-Terre, Marie-Galante, La Désirade, and ...

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 Englis ...

, Saint Martin) **

World MS Day The Multiple Sclerosis International Federation (MSIF) was established in 1967 as an international body linking the activities of National MS societies around the world. The Federation seeks to work in worldwide partnership with Member Societies ...

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

(Armenia) ** Republic Day (Nepal) ** TDFR Republic Day **

Youm-e-Takbir Youm-e-Takbir ( ur, ; lit. ''The day of greatness'') is celebrated as a national day in Pakistan on May 28 in commemoration of Chagai-I and Chagai-II series of nuclear tests. The nuclear tests made Pakistan the seventh nation to possess nuclear ...

(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 ...

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

Rhode Island Rhode Island (, like ''road'') is a U.S. state, state in the New England region of the Northeastern United States. It is the List of U.S. states by area, smallest U.S. state by area and the List of states and territories of the United States ...

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 commemorat ...

World Digestive Health Day The World Gastroenterology Organisation (WGO) is an international federation of over 100 national GI societies and 4 regional associations of gastroenterology representing over 50,000 individual members. WGO is focused on "the improvement of stan ...

** Anguilla Day (

) ** Canary Islands Day (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) Public holidays in Croatia are regulated by the Holidays, Memorial Days and Non-Working Days Act ( hr, Zakon o blagdanima, spomendanima i neradnim danima). * In 2020 there was a change in holidays: June 25 (was Statehood Day until 2019, became ...

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 th ...

) ** 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 Catholi ...

) **

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 ...

( International)

References

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Ancient Roman observances

May symbols

May observances

Month-long observances

United States

Non-Gregorian observances, 2020

Movable observances, 2020

Movable Western Christian observances, 2020 dates

Movable Eastern Christian observances, 2020 dates

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