About April 9

April 9, 2025 is the 99th day of the year 2025 in the Gregorian calendar. There are 266 days remaining until the end of this year. The day of the week is Wednesday.

You can browse the full year calendar in case you need it.

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Aries is the sun sign of a person born on this day. Diamond is the modern birthstone for this month. Opal is the mystical birthstone from Tibetan origin that dates back over a thousand years.

According to the lunisolar Chinese calendar, there are 314 days remaining before the start of the next Chinese New Year.

What Happened On April 9

  • 193
    Septimius Severus is proclaimed Roman Emperor by the army in Illyricum (in the Balkans).
  • 475
    Byzantine Emperor Basiliscus issues a circular letter (Enkyklikon) to the bishops of his empire, supporting the Monophysite christological position.
  • 1440
    Christopher of Bavaria is appointed King of Denmark.
  • 1609
    Eighty Years’ War: Spain and the Dutch Republic sign the Treaty of Antwerp to initiate twelve years of truce.
  • 1865
    American Civil War: Robert E. Lee surrenders the Army of Northern Virginia (26,765 troops) to Ulysses S. Grant at Appomattox Courthouse, Virginia, effectively ending the war.
  • 1914
    Mexican Revolution: One of the world’s first naval/air skirmishes takes place off the coast of western Mexico.
  • 1916
    World War I: The Battle of Verdun – German forces launch their third offensive of the battle.
  • 1917
    World War I: The Battle of Arras – the battle begins with Canadian Corps executing a massive assault on Vimy Ridge.
  • 1918
    World War I: The Battle of the Lys – the Portuguese Expeditionary Corps is crushed by the German forces during what is called the Spring Offensive on the Belgian region of Flanders.
  • 1939
    Marian Anderson sings at the Lincoln Memorial, after being denied the right to sing at the Daughters of the American Revolution’s Constitution Hall.
  • 1940
    World War II: Operation Weserübung – Germany invades Denmark and Norway.
  • 1942
    World War II: The Battle of Bataan/Bataan Death March – United States forces surrender on the Bataan Peninsula. The Japanese Navy launches an air raid on Trincomalee in Ceylon (Sri Lanka); Royal Navy aircraft carrier HMS Hermes and Royal Australian Navy Destroyer HMAS Vampire are sunk off the island’s east coast.
  • 1945
    The United States Atomic Energy Commission is formed.
  • 1945
    World War II: The German pocket battleship Admiral Scheer is sunk.
  • 1948
    Fighters from the Irgun and Lehi Zionist paramilitary groups attacked Deir Yassin near Jerusalem, killing over 100.
  • 1961
    The Pacific Electric Railway in Los Angeles, once the largest electric railway in the world, ends operations.
  • 1965
    Astrodome opens. First indoor baseball game is played.
  • 1968
    Funeral of Martin Luther King, Jr.
  • 1992
    A U.S. Federal Court finds former Panamanian dictator Manuel Noriega guilty of drug and racketeering charges. He is sentenced to 30 years in prison.
  • 2005
    Wedding of Charles, Prince of Wales and Camilla, Duchess of Cornwall; Charles, Prince of Wales marries Camilla Parker Bowles in a civil ceremony at Windsor’s Guildhall.

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