April 2 » The United States Congress passes the Foraker Act, giving Puerto Rico limited self-rule.
April 30 » Hawaii becomes a territory of the United States, with Sanford B. Dole as governor.
June 17 » Boxer Rebellion: Western Allied and Japanese forces capture the Taku Forts in Tianjin, China.
September 17 » Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
November 7 » Second Boer War: Battle of Leliefontein, a battle during which the Royal Canadian Dragoons win three Victoria Crosses.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of death September 21, 1917
The temperature on September 21, 1917 was between 9.7 °C and 16.6 °C and averaged 13.2 °C. There was 9.4 hours of sunshine (76%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
March 8 » The United States Senate votes to limit filibusters by adopting the cloture rule.
March 15 » Tsar Nicholas II of Russia abdicates the Russian throne ending the 304-year Romanov dynasty.
June 13 » World War I: The deadliest German air raid on London of the war is carried out by Gotha G.IV bombers and results in 162 deaths, including 46 children, and 432 injuries.
September 26 » World War I: The Battle of Polygon Wood begins.
November 5 » October Revolution: Lenin calls for the October Revolution.
December 20 » Cheka, the first Soviet secret police force, is founded.
When copying data from this family tree, please include a reference to the origin: Patty Pscherer Harrison, "Family Tree Pscherer", database, Genealogy Online (https://www.genealogieonline.nl/family-tree-pscherer/P1043.php : accessed May 15, 2024), "Donald Horatio Powers (1900-1917)".
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