About June 15

June 15, 2025 is the 166th day of the year 2025 in the Gregorian calendar. There are 199 days remaining until the end of this year. The day of the week is Sunday.

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

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

According to the lunisolar Chinese calendar, there are 247 days remaining before the start of the next Chinese New Year.

What Happened On June 15

  • 1246
    With the death of Duke Frederick II, the Babenberg dynasty ends in Austria.
  • 1389
    Battle of Kosovo: The Ottoman Empire defeats Serbs and Bosnians.
  • 1520
    Pope Leo X threatens to excommunicate Martin Luther in papal bull Exsurge Domine.
  • 1785
    Jean-François Pilâtre de Rozier, co-pilot of the first-ever manned flight (1783), and his companion, Pierre Romain, become the first-ever casualties of an air crash when their hot air balloon explodes during their attempt to cross the English Channel.
  • 1804
    New Hampshire approves the Twelfth Amendment to the United States Constitution, ratifying the document.
  • 1844
    Charles Goodyear receives a patent for vulcanization, a process to strengthen rubber.
  • 1859
    Pig War: Ambiguity in the Oregon Treaty leads to the “Northwestern Boundary Dispute” between United States and British/Canadian settlers.
  • 1864
    American Civil War: The Second Battle of Petersburg begins.
  • 1904
    A fire aboard the steamboat SS General Slocum in New York City’s East River kills 1,000.
  • 1909
    Representatives from England, Australia and South Africa meet at Lord’s and form the Imperial Cricket Conference.
  • 1913
    The Battle of Bud Bagsak in the Philippines ends.
  • 1919
    John Alcock and Arthur Brown complete the first nonstop transatlantic flight when they reach Clifden, County Galway, Ireland.
  • 1934
    The U.S. Great Smoky Mountains National Park is founded.
  • 1940
    World War II: Operation Ariel begins – Allied troops start to evacuate France, following Germany’s takeover of Paris and most of the nation.
  • 1944
    In the Saskatchewan general election, the CCF, led by Tommy Douglas, is elected and forms the first socialist government in North America.
  • 1944
    World War II: Battle of Saipan: The United States invade Japanese-occupied Saipan.
  • 1945
    The General Dutch Youth League (ANJV) is founded in Amsterdam, Netherlands.
  • 1978
    King Hussein of Jordan marries American Lisa Halaby, who takes the name Queen Noor.
  • 1985
    Rembrandt’s painting Danaë is attacked by a man (later judged insane) who throws sulfuric acid on the canvas and cuts it twice with a knife.
  • 1991
    In the Philippines, Mount Pinatubo erupts in the second largest volcanic eruption of the 20th Century. In the end, over 800 people die.

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