February 22 » Filipino forces led by General Antonio Luna launch counterattacks for the first time against the American forces during the Philippine–American War. The Filipinos fail to regain Manila from the Americans.
March 6 » Bayer registers "Aspirin" as a trademark.
May 30 » Pearl Hart, a female outlaw of the Old West, robs a stage coach 30 miles southeast of Globe, Arizona.
July 29 » The First Hague Convention is signed.
September 13 » Mackinder, Ollier and Brocherel make the first ascent of Batian (5,199 m - 17,058ft), the highest peak of Mount Kenya.
November 29 » FC Barcelona is founded by Catalan, Spanish and Englishmen. It later develops into one of Spanish football's most iconic and strongest teams.
Day of marriage June 26, 1920
The temperature on June 26, 1920 was between 12.4 °C and 20.8 °C and averaged 16.4 °C. There was 4.3 hours of sunshine (26%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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 28 » Palm Sunday tornado outbreak of 1920 affects the Great Lakes region and Deep South states.
June 4 » Hungary loses 71% of its territory and 63% of its population when the Treaty of Trianon is signed in Paris.
August 13 » Polish–Soviet War: The Battle of Warsaw begins and will last till August 25. The Red Army is defeated.
August 25 » Polish–Soviet War: Battle of Warsaw, which began on August 13, ends with the Red Army's defeat.
October 10 » The Carinthian plebiscite determines that the larger part of the Duchy of Carinthia should remain part of Austria.
November 16 » Qantas, Australia's national airline, is founded as Queensland and Northern Territory Aerial Services Limited.
Day of death December 2, 1973
The temperature on December 2, 1973 was between -13.4 °C and -1.8 °C and averaged -7.3 °C. There was -0.1 mm of rain. There was 5.6 hours of sunshine (69%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
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.
April 2 » Launch of the LexisNexis computerized legal research service.
June 20 » Snipers fire upon left-wing Peronists in Buenos Aires, Argentina, in what is known as the Ezeiza massacre. At least 13 are killed and more than 300 are injured.
August 9 » Mars 7 is launched from the USSR.
November 24 » A national speed limit is imposed on the Autobahn in Germany because of the 1973 oil crisis. The speed limit lasts only four months.
December 6 » The Twenty-fifth Amendment: The United States House of Representatives votes 387–35 to confirm Gerald Ford as Vice President of the United States. (On November 27, the Senate confirmed him 92–3.)
December 9 » British and Irish authorities sign the Sunningdale Agreement in an attempt to establish a power-sharing Northern Ireland Executive and a cross-border Council of Ireland.
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/I129883.php : accessed February 16, 2026), "Gerrit ten Kleij (1899-1973)".
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