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 28 » An act of the U.S. Congress creates the United States Coast Guard as a branch of the United States Armed Forces.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
July 24 » The passenger ship SSEastland capsizes while tied to a dock in the Chicago River. A total of 844 passengers and crew are killed in the largest loss of life disaster from a single shipwreck on the Great Lakes.
August 29 » US Navy salvage divers raise F-4, the first U.S. submarine sunk in an accident.
September 15 » The Empire Picture Theatre (now The New Empire Cinema), the oldest running cinema in mainland Australia, opens in Bowral, New South Wales.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
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.
May 14 » World War II: A Japanese submarine sinks AHSCentaur off the coast of Queensland.
August 2 » World War II: The Motor Torpedo Boat PT-109 is rammed by the Japanese destroyer Amagiri and sinks. Lt. John F. Kennedy, future U.S. president, saves all but two of his crew.
September 5 » World War II: The 503rd Parachute Infantry Regiment lands and occupies Lae Nadzab Airport, near Lae in the Salamaua–Lae campaign.
October 16 » Holocaust in Italy: Raid of the Ghetto of Rome.
November 23 » World War II: Tarawa and Makin atolls fall to American forces.
December 26 » World War II: German warship Scharnhorst is sunk off of Norway's North Cape after a battle against major Royal Navy forces.
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 February 26, 2026), "Jan Heikamp (1915-)".
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