The temperature on April 30, 1915 was between 4.6 °C and 17.7 °C and averaged 10.0 °C. There was 8.7 hours of sunshine (59%). The average windspeed was 2 Bft (weak wind) and was prevailing from the ??. 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 26 » The Rocky Mountain National Park is established by an act of the U.S. Congress.
April 24 » The arrest of 250 Armenian intellectuals and community leaders in Istanbul marks the beginning of the Armenian Genocide.
May 6 » Babe Ruth, then a pitcher for the Boston Red Sox, hits his first major league home run.
June 21 » The U.S. Supreme Court hands down its decision in Guinn v. United States 238 US 347 1915, striking down Oklahoma grandfather clause legislation which had the effect of denying the right to vote to blacks.
July 25 » RFC Captain Lanoe Hawker becomes the first British pursuit aviator to earn the Victoria Cross.
August 4 » World War I: The German 12th Army occupies Warsaw during the Gorlice–Tarnów Offensive and the Great Retreat of 1915.
Day of death December 19, 1947
The temperature on December 19, 1947 was between -5.3 °C and 8.0 °C and averaged 3.6 °C. There was 11.6 mm of rain during 10.6 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 1 » Cold War: The American and British occupation zones in Allied-occupied Germany, after World War II, merge to form the Bizone, which later (with the French zone) became part of West Germany.
January 15 » The Black Dahlia murder: the dismembered corpse of Elizabeth Short was found in Los Angeles.
April 15 » Jackie Robinson debuts for the Brooklyn Dodgers, breaking baseball's color line.
July 1 » The Philippine Air Force is established.
August 4 » The Supreme Court of Japan is established.
November 20 » The Princess Elizabeth marries Lieutenant Philip Mountbatten, who becomes the Duke of Edinburgh, at Westminster Abbey in London.
When copying data from this family tree, please include a reference to the origin: E. van Houtum-Swalen, "Descendants Heijmans", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-heijmans/I011.php : accessed January 14, 2026), "Karel Joseph Johannes Somers (1915-1947)".
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