About April 15

April 15, 2025 is the 105th day of the year 2025 in the Gregorian calendar. There are 260 days remaining until the end of this year. The day of the week is Tuesday.

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 308 days remaining before the start of the next Chinese New Year.

What Happened On April 15

  • 1071
    Bari, the last Byzantine possession in southern Italy, is surrendered to Robert Guiscard.
  • 1632
    Battle of Rain; Swedes under Gustavus Adolphus defeat the Holy Roman Empire during the Thirty Years’ War.
  • 1638
    Tokugawa shogunate forces put down the Shimabara Rebellion when they retake Hara Castle from the rebels.
  • 1715
    Pocotaligo Massacre triggers the start of the Yamasee War in colonial South Carolina.
  • 1755
    Samuel Johnson’s A Dictionary of the English Language is published in London.
  • 1783
    Preliminary articles of peace ending the American Revolutionary War (or American War of Independence) are ratified.
  • 1920
    Two security guards are murdered during a robbery in South Braintree, Massachusetts. Anarchists Sacco and Vanzetti would be convicted of and executed for the crime, amid much controversy.
  • 1921
    Black Friday: mine owners announce more wage and price cuts, leading to the threat of a strike all across England.
  • 1923
    Insulin becomes generally available for use by people with diabetes.
  • 1924
    Rand McNally publishes its first road atlas.
  • 1927
    The Great Mississippi Flood of 1927, the most destructive river flood in U.S. history, begins.
  • 1935
    Roerich Pact signed in Washington, D.C.
  • 1943
    An Allied bomber attack misses the Minerva automobile factory and hits the Belgian town of Mortsel instead, killing 936 civilians.
  • 1947
    Jackie Robinson debuts for the Brooklyn Dodgers, breaking baseball’s color line.
  • 1970
    During the Cambodian Civil War, massacres of the Vietnamese minority results in 800 bodies flowing down the Mekong River into South Vietnam.
  • 1979
    A disastrous earthquake (of M 7.1) occurs on Montenegro coast.
  • 1986
    The United States launches Operation El Dorado Canyon, its bombing raids against Libyan targets in response to a bombing in West Germany that killed two U.S. servicemen.
  • 1989
    Upon Hu Yaobang’s death, the Tiananmen Square protests of 1989 begin in the People’s Republic of China.
  • 1994
    Representatives of 124 countries and the European Communities sign the Marrakesh Agreements revising the General Agreement on Tariffs and Trade and initiating the World Trade Organization (effective January 1, 1995).
  • 2002
    An Air China Boeing 767-200, flight CA129 crashes into a hillside during heavy rain and fog near Busan, South Korea, killing 128.

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