The temperature on June 23, 1911 was between 12.2 °C and 19.3 °C and averaged 15.2 °C. There was 6.4 mm of rain. There was 1.2 hours of sunshine (7%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
May 21 » President of Mexico Porfirio Díaz and the revolutionary Francisco Madero sign the Treaty of Ciudad Juárez to put an end to the fighting between the forces of both men, concluding the initial phase of the Mexican Revolution.
May 23 » The New York Public Library is dedicated.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
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 November 9, 1937
The temperature on November 9, 1937 was between 3.1 °C and 11.0 °C and averaged 7.2 °C. There was 5.9 mm of rain during 5.7 hours. There was 2.2 hours of sunshine (24%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 19 » Howard Hughes sets a new air record by flying from Los Angeles to New York City in 7 hours, 28 minutes, 25 seconds.
January 25 » The Guiding Light debuts on NBC radio from Chicago. In 1952 it moves to CBS television, where it remains until September 18, 2009.
May 7 » Spanish Civil War: The German Condor Legion, equipped with Heinkel He 51 biplanes, arrives in Spain to assist Francisco Franco's forces.
June 14 » Pennsylvania becomes the first (and only) state of the United States to celebrate Flag Day officially as a state holiday.
June 14 » U.S. House of Representatives passes the Marihuana Tax Act.
August 24 » Spanish Civil War: Sovereign Council of Asturias and León is proclaimed in Gijón.
Day of death October 28, 1990
The temperature on October 28, 1990 was between 7.8 °C and 11.6 °C and averaged 10.0 °C. There was 17.5 mm of rain during 9.4 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 1 » David Dinkins is sworn in as New York City's first black mayor.
March 18 » Germans in the German Democratic Republic vote in the first democratic elections in the former communist dictatorship.
June 20 » Asteroid Eureka is discovered.
June 30 » East Germany and West Germany merge their economies.
July 2 » In the 1990 Mecca tunnel tragedy, 1,400 Muslim pilgrims are suffocated to death and trampled upon in a pedestrian tunnel leading to the holy city of Mecca.
December 8 » Galileo (spacecraft) flies past Earth.
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/I143364.php : accessed October 20, 2026), "Sjoerd Jongsma (1911-1990)".
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