March 7 » The German liner SSKaiser Wilhelm der Grosse becomes the first ship to send wireless signals to shore.
March 16 » Sir Arthur Evans purchased the land around the ruins of Knossos, the largest Bronze Age archaeological site on Crete.
April 14 » The Exposition Universelle begins.
June 25 » The Taoist monk Wang Yuanlu discovers the Dunhuang manuscripts, a cache of ancient texts that are of great historical and religious significance, in the Mogao Caves of Dunhuang, China.
July 9 » The Governor of Shanxi province in North China orders the execution of 45 foreign Christian missionaries and local church members, including children.
September 17 » Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
Day of marriage August 31, 1922
The temperature on August 31, 1922 was between 9.2 °C and 18.7 °C and averaged 15.1 °C. There was 0.9 mm of rain. There was 4.9 hours of sunshine (36%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 7 » Dáil Éireann ratifies the Anglo-Irish Treaty by a 64–57 vote.
July 20 » The League of Nations awards mandates of Togoland to France and Tanganyika to the United Kingdom.
September 9 » The Greco-Turkish War effectively ends with Turkish victory over the Greeks in Smyrna.
October 31 » Benito Mussolini is made Prime Minister of Italy
November 26 » The Toll of the Sea debuts as the first general release film to use two-tone Technicolor. (The Gulf Between was the first film to do so, but it was not widely distributed.)
December 8 » Northern Ireland ceases to be part of the Irish Free State.
When copying data from this family tree, please include a reference to the origin: Robert Postma, "Family tree Postma-Heemskerk", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-postma-heemskerk/I525932.php : accessed March 2, 2026), "Cornelis Heemskerk (1900-)".
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