The temperature on June 20, 1913 was between 8.3 °C and 17.4 °C and averaged 12.8 °C. There was 8.5 mm of rain. There was 0.1 hours of sunshine (1%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
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.
April 24 » The Woolworth Building, a skyscraper in New York City, is opened.
May 14 » Governor of New York William Sulzer approves the charter for the Rockefeller Foundation, which begins operations with a $100million donation from John D. Rockefeller.
July 12 » Serbian forces begin their siege of the Bulgarian city of Vidin; the siege is later called off when the war ends.
October 10 » U.S. President Wilson triggers the explosion of the Gamboa Dike, completing major construction on the Panama Canal.
November 9 » The Great Lakes Storm of 1913, the most destructive natural disaster ever to hit the lakes, reaches its greatest intensity after beginning two days earlier. The storm destroys 19 ships and kills more than 250 people.
December 21 » Arthur Wynne's "word-cross", the first crossword puzzle, is published in the New York World.
Day of marriage July 20, 1939
The temperature on July 20, 1939 was between 13.6 °C and 21.6 °C and averaged 17.2 °C. There was 7.1 mm of rain during 1.6 hours. There was 5.1 hours of sunshine (32%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
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.
August 15 » Twenty-six Junkers Ju 87 bombers commanded by Walter Sigel meet unexpected ground fog during a dive-bombing demonstration for Luftwaffe generals at Neuhammer. Thirteen of them crash and burn.
September 9 » World War II: The Battle of Hel begins, the longest-defended pocket of Polish Army resistance during the German invasion of Poland.
September 18 » World War II: The Polish government of Ignacy Mościcki flees to Romania.
November 30 » Winter War: Soviet forces cross the Finnish border in several places and bomb Helsinki and several other Finnish cities, starting the war.
December 27 » Winter War: Finland holds off a Soviet attack in the Battle of Kelja.
Day of death May 21, 1976
The temperature on May 21, 1976 was between 5.4 °C and 14.9 °C and averaged 10.6 °C. There was 2.6 mm of rain during 0.5 hours. There was 7.8 hours of sunshine (49%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 4 » The Troubles: The Ulster Volunteer Force shoots dead six Irish Catholic civilians in County Armagh, Northern Ireland. The next day, gunmen would shoot dead ten Protestant civilians nearby in retaliation.
February 6 » In testimony before a United States Senate subcommittee, Lockheed Corporation president Carl Kotchian admits that the company had paid out approximately $3 million in bribes to the office of Japanese Prime Minister Kakuei Tanaka.
February 24 » The current constitution of Cuba is formally proclaimed.
August 12 » Between 1,000 and 3,500 Palestinians are killed in the Tel al-Zaatar massacre, one of the bloodiest events of the Lebanese Civil War.
September 21 » Seychelles joins the United Nations.
October 6 » Dozens are killed by the Thai army in the Thammasat University massacre.
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/I116366.php : accessed December 25, 2025), "Jelle Gabe Witteveen (1913-1976)".
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