What are the important events that happened on June 30? Here are historical events, facts, and some myths about this day.

June 30: Facts & Myths About This Day

June 30 is the 181^st day of the year 2025 in the Gregorian calendar. There are 184 days remaining until the end of this year. The day of the week is Monday.

Under the Julian calendar, this day is June 17, 2025 – a Monday. Both day of the week are the same but did you notice the difference with the Gregorian calendar?

When this day started, 1,751,241,600 seconds has elapsed since midnight of January 1, 1970 – the Unix epoch.

Strange as it may, if we name this day after a polygon then it will be called ‘hectaoctacontahenagon’ day.

Cancer is the zodiac 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 232 days remaining before the start of the next Chinese New Year.

The ancient Maya civilization believes that the end of the world will happen on December 21, 2012. There are now 4,574 days since this fabled cataclysmic event.

June 30 Historical Events

• 1688 –
  The Immortal Seven issue the Invitation to William (continuing the English rebellion from Rome), which would culminate in the Glorious Revolution.
• 1794 –
  Native American forces under Blue Jacket attack Fort Recovery.
• 1912 –
  The Regina Cyclone hits Regina, Saskatchewan, killing 28. It remains Canada’s deadliest tornado event.
• 1935 –
  The Senegalese Socialist Party holds its first congress.
• 1936 –
  Emperor Haile Selassie of Abyssinia appeals for aid to the League of Nations against Italy’s invasion of his country.
• 1953 –
  The first Chevrolet Corvette rolls off the assembly line in Flint, Michigan.
• 1959 –
  A United States Air Force F-100 Super Sabre from Kadena Air Base, Okinawa, crashes into a nearby elementary school, killing 11 students plus six residents from the local neighborhood.
• 1963 –
  Ciaculli massacre: a car bomb, intended for Mafia boss Salvatore Greco, kills seven police officers and military personnel near Palermo.
• 1990 –
  East Germany and West Germany merge their economies.
• 1991 –
  32 miners are killed when a coal mine catches fire in the Donbass region of Ukraine and releases toxic gas.

Who were born on June 30?

• 1884 –
  Georges Duhamel, French author (d. 1966)
• 1892 –
  Bo Carter, American blues musician (d. 1962)
• 1929 –
  Hans Krondahl, Swedish painter and textile designer
• 1934 –
  Harry Blackstone Jr., American stage magician (d. 1997)
• 1959 –
  Brendan Perry, British multi-instrumentalist (Dead Can Dance)
• 1960 –
  Murray Cook, Australian singer (The Wiggles)
• 1964 –
  Mark Waters, American film director
• 1965 –
  Anna Levandi, Russian figure skater
• 1971 –
  Monica Potter, American actress
• 1982 –
  Delwyn Young, American baseball player

Who died on June 30?

• 1660 –
  William Oughtred, English mathematician (b. 1575)
• 1919 –
  John Strutt, 3rd Baron Rayleigh, English physicist, Nobel laureate (b. 1842)
• 1934 –
  Night of the Long Knives murders: Karl Ernst, German Sturmabteilung-gruppenführer (b. 1904)
• 1971 –
  Herbert Biberman, American screenwriter and film director (b. 1900)
• 1971 –
  Soviet crew of Soyuz 11: Georgi Dobrovolski (b. 1928)
• 1976 –
  Firpo Marberry, American baseball player (b. 1898)
• 1995 –
  Georgi Beregovoi, Soviet cosmonaut (b. 1921)
• 2002 –
  Chico Xavier, Brazilian spiritist medium (b. 1910)
• 2006 –
  Robert Gernhardt, German satirist (b. 1937)
• 2007 –
  Sahib Singh Verma, Indian politician and Chief Minister of Delhi (b. 1943)