The temperature on February 14, 1910 was between -2.0 °C and 4.7 °C and averaged 0.9 °C. There was 6.6 hours of sunshine (67%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
May 11 » An act of the U.S. Congress establishes Glacier National Park in Montana.
September 22 » The Duke of York's Picture House opens in Brighton, now the oldest continually operating cinema in Britain.
October 14 » English aviator Claude Grahame-White lands his aircraft on Executive Avenue near the White House in Washington, D.C.
October 15 » Airship America is launched from New Jersey in the first attempt to cross the Atlantic by a powered aircraft.
December 21 » An underground explosion at the Hulton Bank Colliery No. 3 Pit in Over Hulton, Westhoughton, England, kills 344 miners.
Day of marriage May 31, 1938
The temperature on May 31, 1938 was between 8.9 °C and 16.6 °C and averaged 13.7 °C. There was 5.0 hours of sunshine (31%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
March 12 » Anschluss: German troops occupy and absorb Austria.
April 30 » The animated cartoon short Porky's Hare Hunt debuts in movie theaters, introducing Happy Rabbit, an early version of Bugs Bunny.
May 25 » Spanish Civil War: The bombing of Alicante kills 313 people.
July 20 » The United States Department of Justice files suit in New York City against the motion picture industry charging violations of the Sherman Antitrust Act in regards to the studio system. The case would eventually result in a break-up of the industry in 1948.
August 20 » Lou Gehrig hits his 23rd career grand slam, a record that stood for 75 years until it was broken by Alex Rodriguez.
December 16 » Adolf Hitler institutes the Cross of Honour of the German Mother.
Day of death May 20, 2001
The temperature on May 20, 2001 was between 3.7 °C and 18.2 °C and averaged 11.6 °C. There was 8.6 hours of sunshine (54%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
February 13 » An earthquake measuring 7.6 on the Richter magnitude scale hits El Salvador, killing at least 944.
April 1 » Same-sex marriage becomes legal in the Netherlands, the first contemporary country to allow it.
April 16 » India and Bangladesh begin a five-day border conflict, but are unable to resolve the disputes about their border.
June 1 » Dolphinarium discotheque massacre: A Hamas suicide bomber kills 21 at a disco in Tel Aviv.
October 22 » Grand Theft Auto III is released, popularizing a genre of open-world, action-adventure video games, as well as spurring controversy around violence in video games.
November 23 » The Convention on Cybercrime is signed in Budapest, Hungary.
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/I199891.php : accessed February 9, 2026), "Jan van der Laan (1910-2001)".
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