The temperature on May 19, 1889 was about 15.3 °C. There was 0.4 mm of rain. The air pressure was 6 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 80%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
Day of marriage April 11, 1914
The temperature on April 11, 1914 was between 8.0 °C and 18.1 °C and averaged 11.8 °C. There was 0.7 mm of rain. There was 2.0 hours of sunshine (15%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
January 5 » The Ford Motor Company announces an eight-hour workday and minimum daily wage of $5 in salary plus bonuses.
July 11 » USSNevada(BB-36) is launched.
August 2 » The German occupation of Luxembourg during World War I begins.
August 12 » World War I: The Battle of Halen a.k.a. Battle of the Silver Helmets a clash between large Belgian and German cavalry formations at Halen, Belgium.
August 23 » World War I: Japan declares war on Germany.
November 9 » SMSEmden is sunk by HMASSydney in the Battle of Cocos.
Day of death July 31, 1969
The temperature on July 31, 1969 was between 17.1 °C and 21.6 °C and averaged 19.2 °C. There was 2.0 mm of rain during 0.2 hours. The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
January 17 » Black Panther Party members Bunchy Carter and John Huggins are killed during a meeting in Campbell Hall on the campus of UCLA.
April 5 » Vietnam War: Massive antiwar demonstrations occur in many U.S. cities.
July 24 » Apollo program: Apollo 11 splashes down safely in the Pacific Ocean.
August 13 » The Apollo 11 astronauts enjoy a ticker tape parade in New York City. That evening, at a state dinner in Los Angeles, they are awarded the Presidential Medal of Freedom by U.S. President Richard Nixon.
November 14 » Apollo program: NASA launches Apollo 12, the second crewed mission to the surface of the Moon.
November 17 » Cold War: Negotiators from the Soviet Union and the United States meet in Helsinki, Finland to begin SALT I negotiations aimed at limiting the number of strategic weapons on both sides.
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/I195091.php : accessed December 27, 2025), "Jan Veenstra (1889-1969)".
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