February 27 » Second Boer War: Australian soldiers Harry "Breaker" Morant and Peter Handcock are executed in Pretoria after being convicted of war crimes.
March 6 » Real Madrid CF is founded.
March 7 » Second Boer War: Boers, led by Koos de la Rey, inflict the biggest defeat upon the British since the beginning of the war, at Tweebosch.
April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
November 21 » The Philadelphia Football Athletics defeated the Kanaweola Athletic Club of Elmira, New York, 39–0, in the first ever professional American football night game.
Day of marriage June 30, 1928
The temperature on June 30, 1928 was between 9.9 °C and 18.2 °C and averaged 14.7 °C. There was 12.2 hours of sunshine (73%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
March 21 » Charles Lindbergh is presented with the Medal of Honor for the first solo trans-Atlantic flight.
May 3 » The Jinan incident begins with the deaths of twelve Japanese civilians by Chinese forces in Jinan, China, which leads to Japanese retaliation and the deaths of over 2,000 Chinese civilians in the following days.
September 28 » Alexander Fleming notices a bacteria-killing mold growing in his laboratory, discovering what later became known as penicillin.
October 1 » The Soviet Union introduces its first five-year plan.
October 10 » Chiang Kai-shek becomes Chairman of the Republic of China.
Day of death February 25, 1981
The temperature on February 25, 1981 was between -1.9 °C and 3.0 °C and averaged 0.1 °C. There was 0.3 mm of rain. There was 4.8 hours of sunshine (45%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
January 8 » A local farmer reports a UFO sighting in Trans-en-Provence, France, claimed to be "perhaps the most completely and carefully documented sighting of all time".
January 18 » Phil Smith and Phil Mayfield parachute off a Houston skyscraper, becoming the first two people to BASE jump from objects in all four categories: buildings, antennae, spans (bridges), and earth (cliffs).
March 26 » Social Democratic Party (UK) is founded as a party.
June 28 » A powerful bomb explodes in Tehran, killing 73 officials of the Islamic Republican Party.
August 22 » Far Eastern Air Transport Flight 103 disintegrates in mid-air and crashes in Sanyi Township, Miaoli County, Taiwan. All 110 people on board are killed.
November 1 » Antigua and Barbuda gains independence from the United Kingdom.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I95060.php : accessed February 6, 2026), "Wijpke Koopmans (1902-1981)".
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