Explore 1773 historical events from 0–9.
The International Day for Biological Diversity is a United Nations–sanctioned international day for the promotion of biodiversity issues. It is currently held on May 22.
International Day for Biological Diversity (International)
National Maritime Day is a United States federal observance created to recognize the maritime industry. It is observed on May 22, the date in 1819 that the American steamship Savan…
United States National Maritime Day
The following are public holidays in Haiti. Many Vodou holidays are also celebrated, but are not considered public holidays.
National Sovereignty Day (Haiti)
The culture of Sri Lanka mixes modern elements with traditional aspects and is known for its regional diversity. Sri Lankan culture has long been influenced by the heritage of Ther…
Republic Day (Sri Lanka)
The Translation of the Relics of Saint Nicholas from Myra to Bari is a religious and folk holiday among the East Slavs and, to a lesser extent, the South Slavs and Eastern Romance …
Translation of the Relics of Saint Nicholas from Myra to Bari (Ukraine)
Unity Day of Yemen is a Yemeni national holiday held on 22 May. It commemorates the unification of North Yemen and South Yemen, which took place on this date in 1990. On this day, …
Unity Day (Yemen), celebrates the unification of North and South Yemen into the Republic of Yemen in 1990
World Goth Day is an event observed annually on 22 May, defined by the World Goth Day website as "a day where the goth scene gets to celebrate its own being, and an opportunity to …
World Goth Day
The Aromanian National Day is the national day of the Aromanians, an ethnic group of the Balkans scattered in Albania, Bulgaria, Greece, North Macedonia, Romania and Serbia. It is …
Aromanian National Day
The Martyrology of Rabban Sliba is a book containing the names and feast days of a number of martyrs of the Syriac Orthodox Church.
Christian feast day: Aaron the Illustrious (Syriac Orthodox Church)
Desiderius of Vienne was a martyred archbishop of Vienne and a chronicler.
Christian feast day: Desiderius of Vienne
Giovanni Battista de' Rossi was an Italian Roman Catholic priest. He served as the canon of Santa Maria in Cosmedin after his cousin, who was a priest serving there, died. He was a…
Christian feast day: Giovanni Battista de' Rossi
Julia of Corsica, also known as Julia of Carthage, and more rarely Julia of Nonza, was a virgin and martyr who is venerated as a saint. Her death occurred most probably in AD 439 o…
Christian feast day: Julia of Corsica
Michael of Synnada or Michael the Confessor was a metropolitan bishop of Synnada from 784/7 to 815. He represented Byzantium in diplomatic missions to Harun al-Rashid and Charlemag…
Christian feast day: Michael of Synnada
Nicolaus Copernicus was a Renaissance polymath who formulated a model of the universe that placed the Sun rather than Earth at its center. The publication of Copernicus's model in …
Christian feast day: Nicolaus Copernicus and Johannes Kepler (Episcopal Church (USA))
Quintian (Quinctianus), Lucius and Julian (Julianus) are venerated as saints and martyrs by the Roman Catholic Church. According to the Roman Martyrology, they were inhabitants of …
Christian feast day: Quintian, Lucius and Julian
Saint William of Perth, also known as Saint William of Rochester or Saint Liam was a Scottish saint who was martyred in England. He is the patron saint of adopted children. Followi…
Christian feast day: William of Perth
May 22 - Eastern Orthodox Church calendar - May 24
Christian feast day: May 23 (Eastern Orthodox liturgics)
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 const…
Constitution Day (Germany)
Labour Day is an official public holiday in many countries. In most countries, Labour Day is synonymous with, or linked with, International Workers' Day, which happens on 1 May. It…
Labour Day (Jamaica)
In Mexico, there are three major kinds of public holidays:Statutory holiday: holidays observed all around Mexico. Employees are entitled to a day off with regular pay and schools a…
Students' Day (Mexico)
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 peop…
World Turtle 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 m…
Aldersgate Day/Wesley Day (Methodism)
The national public holidays in Ecuador include:
Battle of Pichincha Day (Ecuador)
Bermuda Day is a public holiday in the islands of Bermuda. It is celebrated on the Fourth Friday in May.
Bermuda Day (Bermuda), celebrated on the nearest weekday if May 24 falls on the weekend