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 13 » The 6.7 Mw Avezzano earthquake shakes the Province of L'Aquila in Italy with a maximum Mercalli intensity of XI (Extreme), killing between 29,978–32,610.
January 25 » Alexander Graham Bell inaugurates U.S. transcontinental telephone service, speaking from New York to Thomas Watson in San Francisco.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
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.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
December 20 » World War I: The last Australian troops are evacuated from Gallipoli.
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).
April 1 » Cold War: Communist forces respond to the introduction of the Deutsche Mark by attempting to force the western powers to withdraw from Berlin.
May 20 » Generalissimo Chiang Kai-shek wins the 1948 Republic of China presidential election and is sworn in as the first President of the Republic of China at Nanjing.
May 23 » Thomas C. Wasson, the US Consul-General, is assassinated in Jerusalem, Israel.
June 22 » King George VI formally gives up the title "Emperor of India", half a year after Britain actually gave up its rule of India.
June 28 » Cold War: The Tito–Stalin Split results in the expulsion of the League of Communists of Yugoslavia from the Cominform.
July 8 » The United States Air Force accepts its first female recruits into a program called Women in the Air Force (WAF).
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 February 2, 2026), "Jan van Hemel (1915-)".
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