The temperature on February 9, 1911 was between -3.1 °C and 2.8 °C and averaged -0.5 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
April 6 » During the Battle of Deçiq, Dedë Gjon Luli Dedvukaj, leader of the Malësori Albanians, raises the Albanian flag in the town of Tuzi, Montenegro, for the first time after George Kastrioti (Skanderbeg).
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
Day of death September 21, 1975
The temperature on September 21, 1975 was between 6.9 °C and 19.2 °C and averaged 14.5 °C. There was 0.2 mm of rain during 0.1 hours. There was 9.3 hours of sunshine (75%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 15 » The Alvor Agreement is signed, ending the Angolan War of Independence and giving Angola independence from Portugal.
February 4 » Haicheng earthquake (magnitude 7.3 on the Richter scale) occurs in Haicheng, Liaoning, China.
March 26 » The Biological Weapons Convention comes into force.
April 19 » India's first satellite Aryabhata launched in orbit from Kapustin Yar, Russia.
August 14 » The Rocky Horror Picture Show, the longest-running release in film history, opens in London.
October 14 » An RAF Avro Vulcan bomber explodes and crashes over Żabbar, Malta after an aborted landing, killing five crew members and one person on the ground.
When copying data from this family tree, please include a reference to the origin: Daniel D, "GJ Tree", database, Genealogy Online (https://www.genealogieonline.nl/gj-tree/R2342.php : accessed January 17, 2026), "Joseph Byer (1911-1975)".
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