The temperature on February 14, 1915 was between 4.2 °C and 6.4 °C and averaged 5.2 °C. There was 7.4 mm of rain. The average windspeed was 6 Bft (strong wind) and was prevailing from the south. 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 18 » Japan issues the "Twenty-One Demands" to the Republic of China in a bid to increase its power in East Asia.
February 8 » D. W. Griffith's controversial film The Birth of a Nation premieres in Los Angeles.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
March 27 » Typhoid Mary, the first healthy carrier of disease ever identified in the United States is put in quarantine for the second time, where she would remain for the rest of her life.
May 6 » Babe Ruth, then a pitcher for the Boston Red Sox, hits his first major league home run.
August 29 » US Navy salvage divers raise F-4, the first U.S. submarine sunk in an accident.
Day of marriage April 7, 1943
The temperature on April 7, 1943 was between 0.6 °C and 11.9 °C and averaged 5.3 °C. There was 9.7 mm of rain during 7.1 hours. There was 1.0 hours of sunshine (8%). The average windspeed was 6 Bft (strong wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 11 » Italian-American anarchist Carlo Tresca is assassinated in New York City.
January 31 » World War II: German Field Marshal Friedrich Paulus surrenders to the Soviets at Stalingrad, followed 2 days later by the remainder of his Sixth Army, ending one of the war's fiercest battles.
August 2 » The Holocaust: Jewish prisoners stage a revolt at Treblinka, one of the deadliest of Nazi death camps where approximately 900,000 persons were murdered in less than 18 months.
August 23 » World War II: Kharkiv is liberated by the Soviet Union after the Battle of Kursk.
September 8 » World War II: The O.B.S. (German General Headquarters for the Mediterranean zone) is attacked in an air raid on Frascati.
September 18 » World War II: Adolf Hitler orders the deportation of Danish Jews.
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/I139024.php : accessed December 31, 2025), "Jan Heikamp (1915-)".
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