Wikipedia:Selected anniversaries/April

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April 1: Paschal Triduum begins (Western Christianity, 2021); Iranian Islamic Republic Day (1979)

First locomotive used on the Brill Tramway
First locomotive used on the Brill Tramway
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April 2: World Autism Awareness Day; Feast day of Saint Francis of Paola (Catholicism)

Hatton Garden safe-deposit facility
Hatton Garden safe-deposit facility
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April 3

Seal of Edward the Confessor
Seal of Edward the Confessor
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April 4: Easter (Western Christianity, 2021)

William Henry Harrison
William Henry Harrison
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April 5: Hansik in South Korea (2021)

Akashi Kaikyō Bridge
Akashi Kaikyō Bridge
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April 6: Tartan Day

Cover of the official report for the 1896 Olympics
Cover of the official report for the 1896 Olympics
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April 7: National Beer Day in the United States

Juvénal Habyarimana
Juvénal Habyarimana
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April 8

Krak des Chevaliers
Krak des Chevaliers
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April 9

Boeing 737 on its maiden flight
Boeing 737 on its maiden flight
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April 10

M87* imaged by the Event Horizon Telescope
M87* imaged by the Event Horizon Telescope
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April 11: Divine Mercy Sunday (Catholicism, Anglicanism; 2021)

Emir Abdullah of Transjordan
Emir Abdullah of Transjordan
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April 12: Cosmonautics Day in Russia (1961); Yuri's Night

Yuri Gagarin
Yuri Gagarin
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April 13: First day of Ramadan (Islam, 2021); Cheti Chand begins / Ugadi in parts of India (Hinduism, 2021)

Ba Cụt
Ba Cụt
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April 14: Tamil New Year and other New Year festivals in South and Southeast Asia (2021); Day of the Georgian Language (1978); N'Ko Alphabet Day in West Africa (1949)

Illustration of celestial phenomena in Nuremberg
Illustration of celestial phenomena in Nuremberg
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April 15: Day of the Sun in North Korea; Vaisakhi (Sikhism, 2021)

Notre-Dame de Paris, with its spire and roof aflame
Notre-Dame de Paris, with its spire and roof aflame
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April 16: Feast day of Saint Bernadette Soubirous (Catholicism)

Martin Luther King Jr.
Martin Luther King Jr.
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April 17: Evacuation Day in Syria (1946)

Modern reconstruction of Kaunas Castle
Modern reconstruction of Kaunas Castle
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April 18

Robert Mugabe
Robert Mugabe
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April 19: feast day of Saint Ælfheah of Canterbury (Catholicism, Anglicanism); Patriots' Day in various U.S. states (2021)

Alfred P. Murrah Federal Building after the Oklahoma City bombing
Alfred P. Murrah Federal Building after the Oklahoma City bombing
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April 20: First day of Ridván (Baháʼí Faith, 2021); 420 (cannabis culture)

Billie Holiday
Billie Holiday
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April 21: Grounation Day (Rastafari); Rama Navami (Hinduism, 2021); Administrative Professionals Day in various countries (2021)

Sam Houston
Sam Houston
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April 22: Earth Day

Two-cent piece first issued in 1864
Two-cent piece first issued in 1864
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April 23: National Sovereignty and Children's Day in Turkey (1920)

Hank Aaron
Hank Aaron
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April 24: Holy Week begins (Eastern Christianity, 2021); Armenian Genocide Remembrance Day (1915)

Hubble Space Telescope
Hubble Space Telescope
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April 25: Holy Week begins (Eastern Christianity, 2021); Anzac Day in Australia and New Zealand (1915); Liberation Day in Italy (1945)

USS Triton (SSRN-586)
USS Triton (SSRN-586)
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April 26: World Intellectual Property Day

Lorenzo de' Medici
Lorenzo de' Medici
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April 27: King's Day in the Netherlands

Raising the Flag on the Three-Country Cairn
Raising the Flag on the Three-Country Cairn
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April 28: Workers' Memorial Day

Mounted police, including one on a white horse, maintaining order at the FA Cup Final
Mounted police, including one on a white horse, maintaining order at the FA Cup Final
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April 29

Replica of HMS Endeavour
Replica of HMS Endeavour
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April 30: Reunification Day in Vietnam (1975)

Faustina Kowalska
Faustina Kowalska
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Selected anniversaries / On this day archive
All · January · February · March · April · May · June · July · August · September · October · November · December


Recent changes · Editing guidelines


It is now 02:10 on Monday, April 12, 2021 (UTC· Purge cache for this page