The temperature on December 26, 1912 was between 3.2 °C and 9.0 °C and averaged 6.4 °C. There was 10.5 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
January 6 » New Mexico is admitted to the Union as the 47th U.S. state.
January 23 » The International Opium Convention is signed at The Hague.
November 2 » Bulgaria defeats the Ottoman Empire in the Battle of Lule Burgas, the bloodiest battle of the First Balkan War, which opens her way to Constantinople.
November 12 » King George I of Greece makes a triumphal entry into Thessaloniki after its liberation from 482 years of Ottoman rule.
December 6 » The Nefertiti Bust is discovered.
Day of marriage May 25, 1940
The temperature on May 25, 1940 was between 8.7 °C and 25.2 °C and averaged 17.8 °C. There was 10.1 hours of sunshine (63%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
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.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
June 3 » World War II: The Battle of Dunkirk ends with a German victory and with Allied forces in full retreat.
June 14 » Seven hundred twenty-eight Polish political prisoners from Tarnów become the first inmates of the Auschwitz concentration camp.
June 18 » Appeal of 18 June by Charles de Gaulle.
September 12 » Cave paintings are discovered in Lascaux, France.
November 9 » Warsaw is awarded the Virtuti Militari.
December 14 » Plutonium (specifically Pu-238) is first isolated at Berkeley, California.
Day of death April 22, 2003
The temperature on April 22, 2003 was between 5.0 °C and 17.5 °C and averaged 11.7 °C. There was 0.1 mm of rain during 0.2 hours. There was 10.0 hours of sunshine (70%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from Monday, July 22, 2002 to Tuesday, May 27, 2003 the cabinet Balkenende I, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
In The Netherlands , there was from Tuesday, May 27, 2003 to Friday, July 7, 2006 the cabinet Balkenende II, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
February 4 » The Federal Republic of Yugoslavia adopts a new constitution, becoming a loose confederacy between Montenegro and Serbia.
February 20 » During a Great White concert in West Warwick, Rhode Island, a pyrotechnics display sets the Station nightclub ablaze, killing 100 and injuring over 200 others.
March 24 » The Arab League votes 21-1 in favor of a resolution demanding the immediate and unconditional removal of U.S. and British soldiers from Iraq.
April 7 » U.S. troops capture Baghdad; Saddam Hussein's regime falls two days later.
July 15 » AOL Time Warner disbands Netscape. The Mozilla Foundation is established on the same day.
November 14 » Astronomers Michael E. Brown, Chad Trujillo, and David L. Rabinowitz discover 90377 Sedna, a Trans-Neptunian object.
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/I119869.php : accessed October 19, 2026), "Sytze de Groot (1912-2003)".
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