February 14 » The United States Department of Commerce and Labor is established (later split into the Department of Commerce and the Department of Labor).
April 29 » A landslide kills 70 people in Frank, in the District of Alberta, Canada.
July 4 » The Philippine–American War is officially concluded.
August 29 » The Slava, the last of the five Borodino-class battleships, is launched.
September 27 » The Wreck of the Old 97, an American rail disaster that became the subject of a popular ballad.
December 30 » A fire at the Iroquois Theater in Chicago, Illinois kills at least 605.
Day of death August 12, 1920
The temperature on August 12, 1920 was between 10.3 °C and 19.1 °C and averaged 14.5 °C. There was 0.7 hours of sunshine (5%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
March 14 » In the second of the 1920 Schleswig plebiscites, about 80% of the population in Zone II votes to remain part of Weimar Germany.
April 28 » Azerbaijan is added to the Soviet Union.
August 13 » Polish–Soviet War: The Battle of Warsaw begins and will last till August 25. The Red Army is defeated.
August 16 » Ray Chapman of the Cleveland Indians is hit on the head by a fastball thrown by Carl Mays of the New York Yankees, and dies early the next day. Chapman was the second player to die from injuries sustained in a Major League Baseball game, the first being Doc Powers in 1909.
October 25 » After 74 days on hunger strike in Brixton Prison, England, the Sinn Féin Lord Mayor of Cork, Terence MacSwiney dies.
When copying data from this family tree, please include a reference to the origin: Sim Mostert, "Genealogy Pot en Smit", database, Genealogy Online (https://www.genealogieonline.nl/genealogie_pot_smit/I7049.php : accessed September 29, 2026), "JACOBUS TIMMERS (1903-1920)".
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