The temperature on January 20, 1915 was between 1.1 °C and 4.9 °C and averaged 3.4 °C. There was 0.7 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
July 1 » Leutnant Kurt Wintgens of the then-named German Deutsches Heer's Fliegertruppe army air service achieves the first known aerial victory with a synchronized machine-gun armed fighter plane, the Fokker M.5K/MG Eindecker.
July 7 » The First Battle of the Isonzo comes to an end.
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 17 » A Category 4 hurricane hits Galveston, Texas with winds at 135 miles per hour (217km/h).
September 25 » World War I: The Second Battle of Champagne begins.
Day of marriage October 1, 1948
The temperature on October 1, 1948 was between 4.8 °C and 16.5 °C and averaged 11.3 °C. There was 0.1 mm of rain during 0.1 hours. There was 0.3 hours of sunshine (3%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
February 25 » In a coup d'état led by Klement Gottwald, the Communist Party of Czechoslovakia takes control of government in Prague to end the Third Czechoslovak Republic.
April 3 » Cold War: U.S. President Harry S. Truman signs the Marshall Plan, authorizing $5billion in aid for 16 countries.
April 28 » Igor Stravinsky conducted the premiere of his American ballet, Orpheus at the New York City Center.
September 15 » The F-86 Sabre sets the world aircraft speed record at 671 miles per hour (1,080km/h).
October 29 » Israeli-Palestinian conflict: Safsaf massacre: Israeli soldiers capture the Palestinian village of Safsaf in the Galilee; after, between 52 and 64 villagers are massacred by the IDF.
December 14 » Thomas T. Goldsmith Jr. and Estle Ray Mann are granted a patent for their cathode-ray tube amusement device, the earliest known interactive electronic game.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Geurt Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/geurt-jacobs/I39346.php : accessed January 30, 2026), "Jan van Hemel (1915-)".
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