The temperature on June 25, 1889 was about 22.2 °C. The air pressure was 4 kgf/m2 and came mainly from the north-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 51%. Source: KNMI
April 22 » At noon, thousands rush to claim land in the Land Rush of 1889. Within hours the cities of Oklahoma City and Guthrie are formed with populations of at least 10,000.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
November 2 » North Dakota and South Dakota are admitted as the 39th and 40th U.S. states.
November 23 » The first jukebox goes into operation at the Palais Royale Saloon in San Francisco.
Day of marriage May 11, 1920
The temperature on May 11, 1920 was between 3.2 °C and 18.7 °C and averaged 12.9 °C. There was 11.6 hours of sunshine (75%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. 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.
February 13 » The Negro National League is formed.
April 15 » Two security guards are murdered during a robbery in South Braintree, Massachusetts. Anarchists Sacco and Vanzetti would be convicted of and executed for the crime, amid much controversy.
April 28 » Azerbaijan is added to the Soviet Union.
October 10 » The Carinthian plebiscite determines that the larger part of the Duchy of Carinthia should remain part of Austria.
October 14 » Finland and Soviet Russia sign the Treaty of Tartu, exchanging some territories.
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.
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/I229892.php : accessed February 26, 2026), "Geert Trienus Julius (1889-????)".
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