Discover all the fun facts about your birthday!

April 21 Birthday Events Poster

Tip: Click the free birthday events ninja poster above to save the high quality version. Come back everyday for a new design. Collect all 16 ninja poses.

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.

Love ninja Hey! How’s your lovelife today? Just for fun! Try your love match score with anyone. Even officemates, schoolmates, or find out the score for your parents and relatives. Don’t limit yourself – you can also pair yourself with any celebrity. It’s a FREE report. Nothing to buy!

Astrology Sample Megapack

Get All 16 Astrology Reports

Where should we send the free sample megapack?