The temperature on August 16, 1911 was between 12.1 °C and 19.3 °C and averaged 15.3 °C. There was 1.6 hours of sunshine (11%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
September 29 » Italy declares war on the Ottoman Empire.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
December 9 » A mine explosion near Briceville, Tennessee, kills 84 miners despite rescue efforts led by the United States Bureau of Mines.
December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
Day of marriage March 17, 1939
The temperature on March 17, 1939 was between -1.5 °C and 4.0 °C and averaged 1.7 °C. There was 0.7 mm of rain during 0.5 hours. There was 1.3 hours of sunshine (11%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
August 2 » Albert Einstein and Leo Szilard write a letter to Franklin D. Roosevelt, urging him to begin the Manhattan Project to develop a nuclear weapon.
August 23 » World War II: Nazi Germany and the Soviet Union sign a non-aggression treaty, the Molotov–Ribbentrop Pact. In a secret addition to the pact, the Baltic states, Finland, Romania, and Poland are divided between the two nations.
November 30 » Winter War: Soviet forces cross the Finnish border in several places and bomb Helsinki and several other Finnish cities, starting the war.
December 14 » Winter War: The Soviet Union is expelled from the League of Nations for invading Finland.
December 27 » The 7.8 Mw Erzincan earthquake shakes eastern Turkey with a maximum Mercalli intensity of XI (Extreme). At least 32,700 people were killed.
December 27 » Winter War: Finland holds off a Soviet attack in the Battle of Kelja.
Day of death July 1, 1952
The temperature on July 1, 1952 was between 13.0 °C and 29.3 °C and averaged 23.2 °C. There was 14.3 hours of sunshine (86%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
February 26 » Vincent Massey is sworn in as the first Canadian-born Governor General of Canada.
April 28 » The Sino-Japanese Peace Treaty (Treaty of Taipei) is signed in Taipei, Taiwan between Japan and the Republic of China to officially end the Second Sino-Japanese War.
May 2 » A De Havilland Comet makes the first jetliner flight with fare-paying passengers, from London to Johannesburg.
August 12 » The Night of the Murdered Poets: Thirteen prominent Jewish intellectuals are murdered in Moscow, Russia, Soviet Union.
August 15 » A flash flood drenches the town of Lynmouth, England, killing 34 people.
September 19 » The United States bars Charlie Chaplin from re-entering the country after a trip to England.
When copying data from this family tree, please include a reference to the origin: Ruud van Wees, "Family tree Van Wees", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-wees/I291.php : accessed March 5, 2026), "Willem Johannes Franciscus Sanders (1911-1952)".
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