April 5 » Archaeologists in Knossos, Crete, discover a large cache of clay tablets with hieroglyphic writing in a script they call Linear B.
May 17 » Second Boer War: British troops relieve Mafeking.
May 22 » The Associated Press is formed in New York City as a non-profit news cooperative.
June 9 » Indian nationalist Birsa Munda dies of cholera in a British prison.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of marriage May 12, 1921
The temperature on May 12, 1921 was between 9.2 °C and 21.1 °C and averaged 15.5 °C. There was 9.1 hours of sunshine (59%). 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 15 » Kingdom of Romania establishes its legation in Helsinki.
February 21 » Constituent Assembly of the Democratic Republic of Georgia adopts the country's first constitution.
February 25 » Georgian capital Tbilisi falls to the invading Russian forces after heavy fighting and the Russians declare the Georgian Soviet Socialist Republic.
July 11 » Former president of the United States William Howard Taft is sworn in as 10th chief justice of the U.S. Supreme Court, becoming the only person ever to hold both offices.
October 13 » Soviet republics sign the Treaty of Kars to formalize the borders between Turkey and the South Caucasus states.
November 4 » Japanese Prime Minister Hara Takashi is assassinated in Tokyo.
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/I1161.php : accessed October 16, 2026), "Martje Hoogsteen (1900-)".
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