January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
February 18 » Second Boer War: Imperial forces suffer their worst single-day loss of life on Bloody Sunday, the first day of the Battle of Paardeberg.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
April 14 » The Exposition Universelle begins.
May 26 » Thousand Days' War: The Colombian Conservative Party turns the tide of war in their favor with victory against the Colombian Liberal Party in the Battle of Palonegro.
July 9 » The Federation of Australia is given royal assent.
Day of marriage September 15, 1923
The temperature on September 15, 1923 was between 8.7 °C and 19.4 °C and averaged 14.1 °C. There was 8.5 mm of rain. There was 1.5 hours of sunshine (12%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
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 9 » Juan de la Cierva makes the first autogyro flight.
February 16 » Howard Carter unseals the burial chamber of Pharaoh Tutankhamun.
April 15 » Insulin becomes generally available for use by people with diabetes.
September 13 » Following a military coup in Spain, Miguel Primo de Rivera takes over, setting up a dictatorship.
September 26 » The German government accepts the occupation of the Ruhr.
October 6 » The Turkish National Movement enters Constantinople.
Day of death January 30, 1944
The temperature on January 30, 1944 was between 5.3 °C and 10.5 °C and averaged 7.5 °C. There was 1.3 hours of sunshine (15%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
June 10 » In baseball, 15-year-old Joe Nuxhall of the Cincinnati Reds becomes the youngest player ever in a major-league game.
August 22 » World War II: Holocaust of Kedros in Crete by German forces.
September 15 » Battle of Peleliu begins as the United States Marine Corps' 1st Marine Division and the United States Army's 81st Infantry Division hit White and Orange beaches under heavy fire from Japanese infantry and artillery.
October 15 » World War II: Germany replaces the Hungarian government after it announces an armistice with the Soviet Union.
October 20 » American general Douglas MacArthur fulfills his promise to return to the Philippines when he commands an Allied assault on the islands.
November 21 » World War II: American submarine USS Sealion sinks the Japanese battleship Kongō and Japanese destroyer Urakaze in the Formosa Strait.
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/I79538.php : accessed October 17, 2026), "Trijntje Bosgraaf (1900-1944)".
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