June 12 » New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
July 11 » Fiat founded by Giovanni Agnelli in Turin, Italy.
July 17 » NEC Corporation is organized as the first Japanese joint venture with foreign capital.
July 29 » The First Hague Convention is signed.
September 13 » Henry Bliss is the first person in the United States to be killed in an automobile accident.
October 11 » The Second Boer War erupts in South Africa between the British-ruled Cape Colony, and the Boer-ruled Transvaal and Orange Free State.
Day of marriage April 29, 1921
The temperature on April 29, 1921 was between 5.8 °C and 18.4 °C and averaged 12.6 °C. There was 12.2 hours of sunshine (83%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. 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 21 » Constituent Assembly of the Democratic Republic of Georgia adopts the country's first constitution.
March 6 » Portuguese Communist Party is founded as the Portuguese Section of the Communist International.
March 18 » The Kronstadt rebellion is suppressed by the Red Army.
March 20 » The Upper Silesia plebiscite was a plebiscite mandated by the Versailles Treaty to determine a section of the border between Weimar Germany and Poland.
April 11 » Emir Abdullah establishes the first centralised government in the newly created British protectorate of Transjordan.
May 3 » The Government of Ireland Act 1920 is passed, dividing Ireland into Northern Ireland and Southern Ireland.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I130877.php : accessed December 27, 2025), "Sijke Pannekoek (1899-????)".
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