April 15 » Philippine–American War: Filipino guerrillas launch a surprise attack on U.S. infantry and begin a four-day siege of Catubig, Philippines.
June 20 » Baron Eduard Toll, leader of the Russian Polar Expedition of 1900, departs Saint Petersburg in Russia on the explorer ship Zarya, never to return.
July 19 » The first line of the Paris Métro opens for operation.
October 9 » The Cook Islands become a territory of the United Kingdom.
October 25 » The United Kingdom annexes the Transvaal.
December 19 » Hopetoun Blunder: The first Governor-General of Australia John Hope, 7th Earl of Hopetoun, appoints Sir William Lyne premier of the new state of New South Wales, but he is unable to persuade other colonial politicians to join his government and is forced to resign.
Day of marriage March 28, 1921
The temperature on March 28, 1921 was between 1.7 °C and 10.6 °C and averaged 7.0 °C. There was 0.6 mm of rain. There was 1.7 hours of sunshine (13%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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.
March 18 » The second Peace of Riga is signed between Poland and the Soviet Union.
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.
June 30 » U.S. President Warren G. Harding appoints former President William Howard Taft as Chief Justice of the United States.
July 11 » The Red Army captures Mongolia from the White Army and establishes the Mongolian People's Republic.
October 18 » The Crimean Autonomous Soviet Socialist Republic is formed as part of the Russian Soviet Federative Socialist Republic.
October 26 » The Chicago Theatre opens.
Day of death December 14, 1933
The temperature on December 14, 1933 was between -13.4 °C and -5.8 °C and averaged -9.6 °C. There was 6.9 hours of sunshine (89%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
February 15 » In Miami, Giuseppe Zangara attempts to assassinate US President-elect Franklin D. Roosevelt, but instead shoots Chicago mayor Anton J. Cermak, who dies of his wounds on March 6, 1933.
March 9 » Great Depression: President Franklin D. Roosevelt submits the Emergency Banking Act to Congress, the first of his New Deal policies.
March 28 » The Imperial Airways biplane City of Liverpool is believed to be the first airliner lost to sabotage when a passenger sets a fire on board.
May 6 » The Deutsche Studentenschaft attacked Magnus Hirschfeld's Institut für Sexualwissenschaft, later burning many of its books.
May 15 » All military aviation organizations within or under the control of the RLM of Germany were officially merged in a covert manner to form its Wehrmacht military's air arm, the Luftwaffe.
November 8 » Great Depression: New Deal: US President Franklin D. Roosevelt unveils the Civil Works Administration, an organization designed to create jobs for more than 4 million unemployed.
When copying data from this family tree, please include a reference to the origin: M. de Wilt, "Family tree Droppert", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-droppert/I672.php : accessed February 3, 2026), "Alida Droppert (1900-1933)".
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