The temperature on April 17, 1915 was between 0.4 °C and 12.0 °C and averaged 7.9 °C. There was 0.1 mm of rain. There was 9.5 hours of sunshine (68%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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 24 » World War I: British Grand Fleet battle cruisers under Vice-Admiral Sir David Beatty engage Rear-Admiral Franz von Hipper's battle cruisers in the Battle of Dogger Bank.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
April 18 » French pilot Roland Garros is shot down and glides to a landing on the German side of the lines during World War I.
May 23 » World War I: Italy joins the Allies, fulfilling its part of the Treaty of London.
June 29 » The North Saskatchewan River flood of 1915 is the worst flood in Edmonton history.
September 5 » The pacifist Zimmerwald Conference begins.
Day of death June 19, 1967
The temperature on June 19, 1967 was between 7.1 °C and 19.2 °C and averaged 13.4 °C. There was 9.8 hours of sunshine (59%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 27 » Cold War: The Soviet Union, the United States, and the United Kingdom sign the Outer Space Treaty in Washington, D.C., banning deployment of nuclear weapons in space, and limiting use of the Moon and other celestial bodies to peaceful purposes.
May 10 » The Northrop M2-F2 crashes on landing, becoming the inspiration for the novel Cyborg and TV series The Six Million Dollar Man.
June 4 » Seventy-two people are killed when a Canadair C-4 Argonaut crashes at Stockport in England.
November 2 » Vietnam War: US President Lyndon B. Johnson and "The Wise Men" conclude that the American people should be given more optimistic reports on the progress of the war.
November 30 » The Pakistan Peoples Party is founded by Zulfikar Ali Bhutto, who becomes its first chairman.
December 4 » Vietnam War: U.S. and South Vietnamese forces engage Viet Cong troops in the Mekong Delta.
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/I314406.php : accessed January 18, 2026), "Johannes Joseph de Vet (1915-1967)".
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