The temperature on May 12, 1915 was between 2.1 °C and 16.2 °C and averaged 10.6 °C. There was 5.0 mm of rain. There was 2.2 hours of sunshine (14%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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.
January 25 » Alexander Graham Bell inaugurates U.S. transcontinental telephone service, speaking from New York to Thomas Watson in San Francisco.
January 31 » World War I: Germany is the first to make large-scale use of poison gas in warfare in the Battle of Bolimów against Russia.
August 15 » A story in New York World newspaper reveals that the Imperial German government had purchased excess phenol from Thomas Edison that could be used to make explosives for the war effort and diverted it to Bayer for aspirin production.
September 30 » World War I: Radoje Ljutovac becomes the first soldier in history to shoot down an enemy aircraft with ground-to-air fire.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
Day of marriage April 24, 1940
The temperature on April 24, 1940 was between 12.4 °C and 19.3 °C and averaged 15.7 °C. There was 7.8 mm of rain during 2.2 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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.
June 21 » World War II: Italy begins an unsuccessful invasion of France.
July 2 » Indian independence leader Subhas Chandra Bose is arrested and detained in Calcutta.
July 10 » World War II: Six days before Adolf Hitler issues his Directive 16 to the combined Wehrmacht armed forces for Operation Sea Lion, the Kanalkampf shipping attacks against British maritime convoys begin, in the leadup to initiating the Battle of Britain.
July 27 » The animated short A Wild Hare is released, introducing the character of Bugs Bunny.
September 27 » World War II: The Tripartite Pact is signed in Berlin by Germany, Japan and Italy.
October 17 » The body of Communist propagandist Willi Münzenberg found in South France, starting a never-resolved mystery.
Day of death March 6, 1983
The temperature on March 6, 1983 was between 5.8 °C and 10.0 °C and averaged 8.0 °C. There was -0.1 mm of rain. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 22 » The notorious Broadway flop Moose Murders opens and closes on the same night at the Eugene O'Neill Theatre.
March 6 » The first United States Football League games are played.
May 17 » The U.S. Department of Energy declassifies documents showing world's largest mercury pollution event in Oak Ridge, Tennessee (ultimately found to be 4.2million pounds [1.9kt]), in response to the Appalachian Observer's Freedom of Information Act request.
June 18 » Space Shuttle program: STS-7, Astronaut Sally Ride becomes the first American woman in space.
September 23 » Saint Kitts and Nevis joins the United Nations.
November 17 » The Zapatista Army of National Liberation is founded in Mexico.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I11122.php : accessed February 2, 2026), "Roelof Petrus Gerhardus Dreyer (1915-1983)".
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