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, 29,187,360 minutes 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

• 1886 –
  The first transcontinental train trip across Canada departs from Montreal. It arrives in Port Moody, British Columbia on July 4.
• 1922 –
  In Washington D.C., U.S. Secretary of State Charles Evans Hughes and Dominican Ambassador Francisco J. Peynado sign the Hughes-Peynado agreement, which ends the United States occupation of the Dominican Republic.
• 1941 –
  World War II: Operation Barbarossa – Germany captures Lviv, Ukraine.
• 1956 –
  A TWA Super Constellation and a United Airlines DC-7 (Flight 718) collide above the Grand Canyon in Arizona, United States, killing all 128 on board the two planes.
• 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.
• 1969 –
  Nigeria bans Red Cross aid to Biafra.
• 1972 –
  The first leap second is added to the UTC time system.
• 1985 –
  Thirty-nine American hostages from the hijacked TWA Flight 847 are freed in Beirut after being held for 17 days.
• 1987 –
  The Royal Canadian Mint introduces the $1 coin, known as the Loonie.
• 1997 –
  The United Kingdom transfers sovereignty over Hong Kong to the People’s Republic of China.

Who were born on June 30?

• 1817 –
  Joseph Dalton Hooker, British botanist (d. 1911)
• 1843 –
  Ernest Mason Satow, British diplomat (d. 1929)
• 1917 –
  Susan Hayward, American actress (d. 1975)
• 1933 –
  Lea Massari, Italian actress
• 1933 –
  Orval Tessier, Canadian ice hockey player
• 1951 –
  Stanley Clarke, American jazz bass and double bass player (Return to Forever)
• 1966 –
  Cheryl Bernard, Canadian curler
• 1970 –
  Brian Bloom, American actor
• 1985 –
  Trevor Ariza, American basketball player
• 1986 –
  Nicola Pozzi, Italian footballer

Who died on June 30?

• 1857 –
  Alcide d'Orbigny, French naturalist (b. 1802)
• 1882 –
  Alberto Henschel, German-Brazilian photographer and businessman (b. 1827)
• 1956 –
  Thorleif Lund, Norwegian actor (b. 1880)
• 1959 –
  José Vasconcelos, Mexican writer and politician (b. 1882)
• 1971 –
  Soviet crew of Soyuz 11: Viktor Patsayev (b. 1933)
• 1993 –
  George “Spanky” McFarland, American actor (b. 1928)
• 1995 –
  Gale Gordon, American actor (b. 1906)
• 2003 –
  Robert McCloskey, American children’s book writer and illustrator (b. 1915)
• 2006 –
  Robert Gernhardt, German satirist (b. 1937)
• 2009 –
  Robert DePugh, American anti-Communist activist (b. 1923)