Holidays and observances
Holidays and observances on April 1
17 holidays and special days are celebrated on April 1 around the world.
- 17observances
- 57events
Holidays and observances
- Christian feast day: Cellach of ArmaghCellach of Armagh or Celsus or Celestinus (1080–1129) was Archbishop of Armagh and an important contributor to the reform of the Irish church in the twelfth century. He is venerated in the Roman Catholic Church as Saint Cellach. Though a member of the laicised
Christian feast day:
Hugh of GrenobleHugh of Châteauneuf, also called Hugh of Grenoble, was the Bishop of Grenoble from 1080 to his death. He was a partisan of the Gregorian reform and opposed to the Archbishop of Vienne, later Pope Callixtus II.
Christian feast day:
Frederick Denison Maurice (Church of England)John Frederick Denison Maurice, commonly known as F. D. Maurice, was an English Anglican priest and theologian. He was a prolific author and one of the founders of Christian socialism. Since the Second World War, interest in Maurice has expanded.
Christian feast day:
Mary of EgyptMary of Egypt was an Egyptian grazer saint said to have dwelled in Byzantine-era Palestine in the 5th century AD.
Christian feast day:
Melito of SardisMelito of Sardis was a Roman Christian prelate who served as Bishop of Sardis, near Smyrna in western Anatolia. He held a foremost place among the early Christian bishops in Roman Asia due to his personal influence and his literary works, most of which have be
Christian feast day:
TewdrigTewdrig ap Teithfallt, known simply as Tewdrig, was a king of the post-Roman Kingdom of Glywysing. He abdicated in favour of his son Meurig (Maurice) and retired to live a hermitical life, but was recalled to lead his son's army against an intruding Saxon forc
Christian feast day:
TheodoraTheodora was a Roman martyr. The little we know about her life is attributed to the Acta of Pope St. Alexander. She was the sister of St. Hermes, to whom she had given aid and care during his difficult time in prison. She was martyred some time after her broth
Christian feast day:
Walric, abbot of LeuconaySaint Walaric, Valery in modern French, was a Christian monk born in 565 and founder of the monastery of Leuconay, known today as Saint-Valery-sur-Somme. He was a follower of Columbanus, who founded monastic communities throughout Merovingian Gaul and continen
Christian feast day:
April 1 (Eastern Orthodox liturgics)
Mar. 31 - Eastern Orthodox liturgical calendar - Apr. 2
April Fools' DayApril Fools' Day or April Fool's Day is an annual custom in many Western countries on the 1st of April consisting of practical jokes, hoaxes, and pranks. Jokesters often expose their actions by shouting "April Fool[s]!" at the recipient. Mass media can be invo
Odisha Day (Odisha, India)Odisha Day, also Utkala Dibasa, is celebrated on 1 April in the Indian state of Odisha in memory of the formation of the state as a separate state out of Bihar and Orissa Province with addition of undivided Koraput District and Ganjam District from the Madras 
Arbor Day (Tanzania)Arbor Day 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, depending on climate and suitable planting season.- Civil Service 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 official and non
- Cyprus National Day (Cyprus)
Edible Book Day
The International Edible Book Festival is an annual event usually held on or around April 1, which is also known as Edible Book Day. The global event has been celebrated since 2000 in various parts of the world, where "edible books" are created, displayed, an- Fossil Fools DayFossil Fools Day is an international environmental demonstration day on April 1 annually. The name is a play on the terms "Fossil Fuels" and "April Fools' Day."
Kha b-Nisan, the Assyrian New Year (Assyrian people)Kha b-Nisan, Ha b-Nisin, or Ha b-Nison, also known as Resha d-Sheta, Akitu (ܐܟܝܬܘ), or Assyrian New Year, is the spring festival among the indigenous Assyrians of northern Iraq, northeastern Syria, southeastern Turkey and northwestern Iran, celebrated on the f
Frequently asked questions
What is celebrated on April 1?
17 observances are celebrated on April 1 around the world: Christian feast day: Cellach of Armagh, Christian feast day: Hugh of Grenoble, Christian feast day: Frederick Denison Maurice (Church of England), Christian feast day: Mary of Egypt, Christian feast day: Melito of Sardis, Christian feast day: Tewdrig. The list gathers national holidays, international days and religious or civil observances falling on this date in different countries, as recorded on Wikipedia. Some are fixed and recur on the same day every year; others depend on the local calendar. Each links to the article explaining its origin and meaning.
What happened on April 1?
57 documented historical events happened on April 1, from antiquity to the present day. The best known is this: Richard Marshal, Earl of Pembroke, was defeated by knights loyal to King Henry III of England at the Battle of the Curragh in County Kildare, Ireland. On the same day, in another year: Robert Winchelsey left England for Rome to be consecrated Archbishop of Canterbury, but a papal vacancy delayed the ceremony. On Almanaccolo every event is listed in chronological order, grouped by century, and links to the Wikipedia article it comes from, so you can always read further or check the source. Alongside the events you find who was born and who died on this date, and which observances are celebrated around the world.
Keep exploring
Free app
Every day’s history, in your pocket
Almanaccolo greets you each morning with the almanac of the day, sunrise and sunset times and your saved events.
- Today’s almanac, every morning
- Save the events that strike you
- Sunrise, sunset and weather for your city
- Free, no account required
