The temperature on July 28, 1912 was between 12.2 °C and 21.5 °C and averaged 17.8 °C. There was 6.3 hours of sunshine (40%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
June 8 » Carl Laemmle incorporates Universal Pictures.
August 14 » U.S. Marines invade Nicaragua to support the U.S.-backed government installed there after José Santos Zelaya had resigned three years earlier.
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 12 » The frozen bodies of Robert Scott and his men are found on the Ross Ice Shelf in Antarctica.
December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.
Day of marriage September 11, 1935
The temperature on September 11, 1935 was between 3.8 °C and 18.8 °C and averaged 11.9 °C. There was 9.4 hours of sunshine (72%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
April 1 » India's central banking institution, The Reserve Bank of India, is formed.
June 10 » Chaco War ends: A truce is called between Bolivia and Paraguay who had been fighting since 1932.
July 5 » The National Labor Relations Act, which governs labor relations in the United States, is signed into law by President Franklin D. Roosevelt.
July 24 » The Dust Bowl heat wave reaches its peak, sending temperatures to 109°F (43°C) in Chicago and 104°F (40°C) in Milwaukee.
November 9 » The Congress of Industrial Organizations is founded in Atlantic City, New Jersey, by eight trade unions belonging to the American Federation of Labor.
November 24 » The Senegalese Socialist Party holds its second congress.
Day of death April 12, 1952
The temperature on April 12, 1952 was between 9.7 °C and 18.6 °C and averaged 13.5 °C. The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
January 26 » Black Saturday in Egypt: rioters burn Cairo's central business district, targeting British and upper-class Egyptian businesses.
April 28 » Dwight D. Eisenhower resigns as Supreme Allied Commander of NATO.
June 13 » Catalina affair: A Swedish Douglas DC-3 is shot down by a Soviet MiG-15 fighter.
September 6 » A prototype aircraft crashes at the Farnborough Airshow in Hampshire, England, killing 29 spectators and the two on board.
October 8 » The Harrow and Wealdstone rail crash kills 112 people.
November 1 » Nuclear weapons testing: The United States successfully detonates Ivy Mike, the first thermonuclear device, at the Eniwetok atoll. The explosion had a yield of ten megatons TNT equivalent.
When copying data from this family tree, please include a reference to the origin: Ferry Posthuma Scholtes, "Family tree Posthuma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-posthuma/R506.php : accessed December 25, 2025), "Helena van den Berg (1912-1952)".
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