The temperature on July 5, 1915 was between 11.1 °C and 23.4 °C and averaged 18.5 °C. There was 12.6 hours of sunshine (76%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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.
March 20 » Albert Einstein publishes his general theory of relativity.
April 5 » Boxing challenger Jess Willard knocks out Jack Johnson in Havana, Cuba to become the Heavyweight Champion of the World.
April 24 » The arrest of 250 Armenian intellectuals and community leaders in Istanbul marks the beginning of the Armenian Genocide.
May 7 » The Republic of China accedes to 13 of the 21 Demands, extending the Empire of Japan's control over Manchuria and the Chinese economy.
August 4 » World War I: The German 12th Army occupies Warsaw during the Gorlice–Tarnów Offensive and the Great Retreat of 1915.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
Day of marriage October 22, 1940
The temperature on October 22, 1940 was between 9.3 °C and 14.7 °C and averaged 12.4 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
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.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 19 » You Nazty Spy!, the first Hollywood film of any kind to satirize Adolf Hitler and the Nazis premieres, starring The Three Stooges, with Moe Howard as the character "Moe Hailstone" satirizing Hitler.
July 2 » Indian independence leader Subhas Chandra Bose is arrested and detained in Calcutta.
July 5 » World War II: Foreign relations of Vichy France are severed with the United Kingdom.
July 11 » World War II: Vichy France regime is formally established. Philippe Pétain becomes Chief of the French State.
July 19 » World War II: Army order 112 forms the Intelligence Corps of the British Army.
August 8 » The "Aufbau Ost" directive is signed by Wilhelm Keitel.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I493366.php : accessed January 19, 2026), "Johan "Jan" van de Kerkhof (1915-)".
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