The temperature on April 26, 1917 was between 2.5 °C and 10.7 °C and averaged 5.7 °C. There was 5.4 hours of sunshine (37%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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 11 » The Kingsland munitions factory explosion occurs as a result of sabotage.
May 21 » The Great Atlanta fire of 1917 causes $5.5million in damages, destroying some 300 acres including 2,000 homes, businesses and churches, displacing about 10,000 people but leading to only one fatality (due to heart attack).
May 27 » Pope Benedict XV promulgates the 1917 Code of Canon Law, the first comprehensive codification of Catholic canon law in the legal history of the Catholic Church.
June 4 » The first Pulitzer Prizes are awarded: Laura E. Richards, Maude H. Elliott, and Florence Hall receive the first Pulitzer for biography (for Julia Ward Howe). Jean Jules Jusserand receives the first Pulitzer for history for his work With Americans of Past and Present Days. Herbert B. Swope receives the first Pulitzer for journalism for his work for the New York World.
June 5 » World War I: Conscription begins in the United States as "Army registration day".
June 26 » World War I: The American Expeditionary Forces begin to arrive in France. They will first enter combat four months later.
Day of death April 15, 1963
The temperature on April 15, 1963 was between 7.0 °C and 9.5 °C and averaged 8.6 °C. There was 2.6 mm of rain during 5.5 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 5 » The European Court of Justice's ruling in Van Gend en Loos v Nederlandse Administratie der Belastingen establishes the principle of direct effect, one of the most important, if not the most important, decisions in the development of European Union law.
June 17 » The United States Supreme Court rules 8–1 in Abington School District v. Schempp against requiring the reciting of Bible verses and the Lord's Prayer in public schools.
June 24 » The United Kingdom grants Zanzibar internal self-government.
July 1 » The British Government admits that former diplomat Kim Philby had worked as a Soviet agent.
July 19 » Joe Walker flies a North American X-15 to a record altitude of 106,010 meters (347,800 feet) on X-15 Flight 90. Exceeding an altitude of 100km, this flight qualifies as a human spaceflight under international convention.
December 14 » The dam containing the Baldwin Hills Reservoir bursts, killing five people and damaging hundreds of homes in Los Angeles, California.
When copying data from this family tree, please include a reference to the origin: Louis Kramer, "Kramer Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/kramer_stamboom/I601688.php : accessed March 13, 2026), "Jacob Plantinga (1917-1963)".
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