The temperature on February 22, 1890 was about 2.3 °C. The air pressure was 1 kgf/m2 and came mainly from the north. The airpressure was 77 cm mercury. The atmospheric humidity was 79%. Source: KNMI
January 22 » The United Mine Workers of America is founded in Columbus, Ohio.
April 7 » Completion of the first Lake Biwa Canal.
April 14 » The Pan-American Union is founded by the First International Conference of American States in Washington, D.C.
July 2 » The U.S. Congress passes the Sherman Antitrust Act.
July 26 » In Buenos Aires, Argentina the Revolución del Parque takes place, forcing President Miguel Ángel Juárez Celman's resignation.
July 27 » Vincent van Gogh shoots himself and dies two days later.
Day of marriage November 17, 1917
The temperature on November 17, 1917 was between 5.4 °C and 8.9 °C and averaged 7.6 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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.
February 3 » First World War: The American entry into World War I begins when diplomatic relations with Germany are severed due to its unrestricted submarine warfare.
March 4 » Jeannette Rankin of Montana becomes the first female member of the United States House of Representatives.
March 8 » The United States Senate votes to limit filibusters by adopting the cloture rule.
May 21 » The Imperial War Graves Commission is established through royal charter to mark, record, and maintain the graves and places of commemoration of the British Empire's military forces.
October 4 » World War I: The Battle of Broodseinde is fought between the British and German armies in Flanders.
November 28 » The Estonian Provincial Assembly declares itself the sovereign power of Estonia.
Day of death December 4, 1947
The average temperature on December 4, 1947 was 2.1 °C. There was 2.1 mm of rain during 2.5 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 3 » Proceedings of the U.S. Congress are televised for the first time.
February 12 » The largest observed iron meteorite until that time creates an impact crater in Sikhote-Alin, in the Soviet Union.
April 9 » United Nations Security Council Resolution 22 relating to Corfu Channel incident is adopted.
September 30 » Pakistan joins the United Nations.
October 30 » The General Agreement on Tariffs and Trade (GATT), the foundation of the World Trade Organization (WTO), is founded.
November 17 » American scientists John Bardeen and Walter Houser Brattain observe the basic principles of the transistor, a key element for the electronics revolution of the 20th century.
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/I211528.php : accessed September 29, 2026), "Harm de Graaf (1890-1947)".
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