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April 21 Birthday Events Poster

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April 21 Historical Events

The following events took place on April 21. The list is arranged in chronological order.

Found 43 events. Showing 1 - 30.

  • 753 BC
    Romulus founds Rome (traditional date).
  • 43 BC
    Battle of Mutina: Mark Antony is again defeated in battle by Aulus Hirtius, who is killed. Antony fails to capture Mutina and Decimus Brutus is murdered shortly after.
  • 900
    The Laguna Copperplate Inscription (the earliest known written document found in what is now the Philippines): the Commander-in-Chief of the Kingdom of Tondo, as represented by the Honourable Jayadewa, Lord Minister of Pailah, pardons from all debt the Honourable Namwaran and his relations.
  • 1092
    The Diocese of Pisa is elevated to the rank of metropolitan archdiocese by Pope Urban II
  • 1506
    The three-day Lisbon Massacre comes to an end with the slaughter of over 1,900 suspected Jews by Portuguese Catholics.
  • 1509
    Henry VIII ascends the throne of England on the death of his father, Henry VII.
  • 1526
    The last ruler of the Lodi dynasty, Ibrahim Lodi is defeated and killed by Babur in the First Battle of Panipat.
  • 1615
    The Wignacourt Aqueduct is inaugurated in Malta.
  • 1782
    The city of Rattanakosin, now known internationally as Bangkok, is founded on the eastern bank of the Chao Phraya River by King Buddha Yodfa Chulaloke.
  • 1792
    Tiradentes, a revolutionary leading a movement for Brazil’s independence, is hanged, drawn and quartered.
  • 1806
    Action of 21 April 1806: A French frigate escapes British forces off the coast of South Africa.
  • 1809
    Two Austrian army corps are driven from Landshut by a First French Empire army led by Napoleon as two French corps to the north hold off the main Austrian army on the first day of the Battle of Eckmühl.
  • 1821
    Benderli Ali Pasha arrives in Constantinople as the new Grand Vizier of the Ottoman Empire; he remains in power for only nine days before being sent into exile.
  • 1836
    Texas Revolution: The Battle of San Jacinto: Republic of Texas forces under Sam Houston defeat troops under Mexican General Antonio López de Santa Anna.
  • 1856
    Australian labour movement: Stonemasons and building workers on building sites around Melbourne march from the University of Melbourne to Parliament House to achieve an eight-hour day.
  • 1863
    Bahá'u'lláh, the founder of the Bahá'í Faith, declares his mission as “He whom God shall make manifest”.
  • 1894
    Norway formally adopts the Krag–Jørgensen bolt-action rifle as the main arm of its armed forces, a weapon that would remain in service for almost 50 years.
  • 1898
    Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date.
  • 1914
    Ypiranga incident: A German arms shipment to Mexico is intercepted by the U.S. Navy near Veracruz.
  • 1918
    World War I: German fighter ace Manfred von Richthofen, better known as “The Red Baron”, is shot down and killed over Vaux-sur-Somme in France.
  • 1925
    The Manifesto of the Fascist Intellectuals is published in Il Mondo, establishing the political and ideological foundations of Italian Fascism.
  • 1934
    The “Surgeon’s Photograph”, the most famous photo allegedly showing the Loch Ness Monster, is published in the Daily Mail (in 1999, it is revealed to be a hoax).
  • 1941
    Emmanouil Tsouderos becomes the 132nd Prime Minister of Greece.
  • 1945
    World War II: Soviet forces south of Berlin at Zossen attack the German High Command headquarters.
  • 1952
    Secretary‘s Day (now Administrative Professionals’Day) is first celebrated.
  • 1960
    Brasília, Brazil’s capital, is officially inaugurated. At 09:30, the Three Powers of the Republic are simultaneously transferred from the old capital, Rio de Janeiro.
  • 1962
    The Seattle World’s Fair (Century 21 Exposition) opens. It is the first World’s Fair in the United States since World War II.
  • 1963
    The Universal House of Justice of the Bahá'í Faith is elected for the first time.
  • 1964
    A Transit-5bn satellite fails to reach orbit after launch; as it re-enters the atmosphere, 2.1 lb of radioactive plutonium in its SNAP RTG power source is widely dispersed.
  • 1965
    The 1964–1965 New York World’s Fair opens for its second and final season.

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