The temperature on October 13, 1912 was between -2.2 °C and 14.9 °C and averaged 6.5 °C. There was 6.3 hours of sunshine (58%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
January 6 » New Mexico is admitted to the Union as the 47th U.S. state.
October 7 » The Helsinki Stock Exchange sees its first transaction.
October 17 » Bulgaria, Greece and Serbia declare war on the Ottoman Empire, joining Montenegro in the First Balkan War.
October 18 » First Balkan War: King Peter I of Serbia issues a declaration "To the Serbian People", as his country joins the war.
November 7 » The Deutsche Opernhaus (now Deutsche Oper Berlin) opens in the Berlin neighborhood of Charlottenburg, with a production of Beethoven's Fidelio.
November 27 » Spain declares a protectorate over the north shore of Morocco.
Day of marriage August 16, 1940
The temperature on August 16, 1940 was between 8.8 °C and 19.9 °C and averaged 14.6 °C. There was 7.0 hours of sunshine (48%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
February 10 » Cartoon characters Tom and Jerry make their debut with Puss Gets the Boot.
May 10 » World War II: Winston Churchill is appointed Prime Minister of the United Kingdom following the resignation of Neville Chamberlain. On the same day, Germany invades France, Belgium and Luxembourg. Meanwhile, the United Kingdom occupies Iceland.
October 1 » The Pennsylvania Turnpike, often considered the first superhighway in the United States, opens to traffic.
November 8 » Greco-Italian War: The Italian invasion of Greece fails as outnumbered Greek units repulse the Italians in the Battle of Elaia–Kalamas.
November 12 » World War II: Soviet Foreign Minister Vyacheslav Molotov arrives in Berlin to discuss the possibility of the Soviet Union joining the Axis Powers.
December 14 » Plutonium (specifically Pu-238) is first isolated at Berkeley, California.
Day of death April 23, 1958
The temperature on April 23, 1958 was between 1.5 °C and 14.4 °C and averaged 8.4 °C. There was 11.8 hours of sunshine (82%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
May 27 » First flight of the McDonnell Douglas F-4 Phantom II.
May 30 » Memorial Day: The remains of two unidentified American servicemen, killed in action during World War II and the Korean War respectively, are buried at the Tomb of the Unknown Soldier in Arlington National Cemetery.
June 17 » The Ironworkers Memorial Second Narrows Crossing, in the process of being built to connect Vancouver and North Vancouver (Canada), collapses into the Burrard Inlet killing 18 ironworkers and injuring others.
November 10 » The Hope Diamond is donated to the Smithsonian Institution by New York diamond merchant Harry Winston.
December 9 » The John Birch Society is founded in the United States.
December 28 » "Greatest Game Ever Played": Baltimore Colts defeat the New York Giants in the first ever National Football League sudden death overtime game at New York's Yankee Stadium.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I96045.php : accessed March 13, 2026), "Jan Henderikus Caesar Eggens (1912-1958)".
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