The temperature on April 21, 1885 was about 20.3 °C. The air pressure was 7 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 40%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
January 26 » Troops loyal to The Mahdi conquer Khartoum, killing the Governor-General Charles George Gordon.
February 23 » Sino-French War: French Army gains an important victory in the Battle of Đồng Đăng in the Tonkin region of Vietnam.
May 2 » Cree and Assiniboine warriors win the Battle of Cut Knife, their largest victory over Canadian forces during the North-West Rebellion.
May 12 » North-West Rebellion: The four-day Battle of Batoche, pitting rebel Métis against the Canadian government, comes to an end with a decisive rebel defeat.
September 6 » Eastern Rumelia declares its union with Bulgaria, thus accomplishing Bulgarian unification.
October 13 » The Georgia Institute of Technology is founded in Atlanta, Georgia.
Day of marriage May 8, 1920
The temperature on May 8, 1920 was between 5.5 °C and 13.3 °C and averaged 9.2 °C. There was 3.2 hours of sunshine (21%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 19 » The United States Senate rejects the Treaty of Versailles for the second time (the first time was on November 19, 1919).
May 7 » Kiev Offensive: Polish troops led by Józef Piłsudski and Edward Rydz-Śmigły and assisted by a symbolic Ukrainian force capture Kiev only to be driven out by the Red Army counter-offensive a month later.
May 16 » In Rome, Pope Benedict XV canonizes Joan of Arc.
August 26 » The 19th amendment to United States Constitution takes effect, giving women the right to vote.
September 16 » The Wall Street bombing: A bomb in a horse wagon explodes in front of the J. P. Morgan building in New York City killing 38 and injuring 400.
November 2 » In the United States, KDKA of Pittsburgh starts broadcasting as the first commercial radio station. The first broadcast is the result of the 1920 United States presidential election.
Day of death October 15, 1962
The temperature on October 15, 1962 was between 4.9 °C and 15.0 °C and averaged 9.4 °C. There was 4.4 hours of sunshine (41%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
February 10 » Cold War: Captured American U2 spy-plane pilot Gary Powers is exchanged for captured Soviet spy Rudolf Abel.
June 2 » During the FIFA World Cup, police had to intervene multiple times in fights between Chilean and Italian players in one of the most violent games in football history.
June 14 » The European Space Research Organisation is established in Paris – later becoming the European Space Agency.
July 1 » Independence of Rwanda and Burundi.
September 12 » President Kennedy delivers his "We choose to go to the Moon" speech at Rice University.
November 11 » Kuwait's National Assembly ratifies the Constitution of Kuwait.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I3158.php : accessed March 5, 2026), "Anne (Anno) Hettinga (1885-1962)".
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