March 2 » The Battle of Adwa: The Italian Army defeated by the Ethiopian Army in Adwa, Tigray, Ethiopia.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
November 1 » A picture showing the bare breasts of a woman appears in National Geographic magazine for the first time.
November 17 » The Western Pennsylvania Hockey League, which later became the first ice hockey league to openly trade and hire players, began play at Pittsburgh's Schenley Park Casino.
November 27 » Also sprach Zarathustra by Richard Strauss is first performed.
December 30 » Filipino patriot and reform advocate José Rizal is executed by a Spanish firing squad in Manila.
Day of marriage November 11, 1921
The temperature on November 11, 1921 was between -3.5 and 4.2 °C. There was 4.9 hours of sunshine (54%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-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 1 » The Australian cricket team captained by Warwick Armstrong becomes the first team to complete a whitewash of The Ashes, something that would not be repeated for 86 years.
March 6 » Portuguese Communist Party is founded as the Portuguese Section of the Communist International.
October 5 » The World Series is the first to be broadcast on radio.
October 19 » The Portuguese Prime Minister and several officials are murdered in the Bloody Night coup.
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: Nienke Oudbier, "Descendants van de Vlag1", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oudbier/I3967.php : accessed February 25, 2026), "Gerrit Proper (1896-????)".
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