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 12 » The United States House of Representatives rejects a proposal to require states to give women the right to vote.
January 19 » Georges Claude patents the neon discharge tube for use in advertising.
January 22 » Over 600 people are killed in Guadalajara, Mexico, when a train plunges off the tracks into a deep canyon.
April 18 » French pilot Roland Garros is shot down and glides to a landing on the German side of the lines during World War I.
April 25 » World War I: The Battle of Gallipoli begins: The invasion of the Turkish Gallipoli Peninsula by British, French, Indian, Newfoundland, Australian and New Zealand troops, begins with landings at Anzac Cove and Cape Helles.
October 12 » World War I: British nurse Edith Cavell is executed by a German firing squad for helping Allied soldiers escape from Belgium
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.
February 16 » World War II: Altmark incident: The German tanker Altmark is boarded by sailors from the British destroyer HMSCossack. 299 British prisoners are freed.
May 5 » World War II: Norwegian refugees form a government-in-exile in London.
June 14 » World War II: The German occupation of Paris begins.
June 17 » The three Baltic states of Estonia, Latvia and Lithuania fall under the occupation of the Soviet Union.
June 18 » The "Finest Hour" speech is delivered by Winston Churchill.
August 26 » Chad becomes the first French colony to join the Allies under the administration of Félix Éboué, France's first black colonial governor.
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.
March 16 » Demolition of the Ismaning radio transmitter, the last wooden radio tower in Germany.
May 20 » First publications of the discovery of the HIV virus that causes AIDS in the journal Science by Luc Montagnier.
June 2 » After an emergency landing because of an in-flight fire, twenty-three passengers aboard Air Canada Flight 797 are killed when a flashover occurs as the plane's doors open. Because of this incident, numerous new safety regulations are put in place.
July 19 » The first three-dimensional reconstruction of a human head in a CT is published.
October 4 » Richard Noble sets a new land speed record of 633.468 miles per hour (1,019.468km/h) at the Black Rock Desert in Nevada.
October 13 » Ameritech Mobile Communications launches the first US cellular network in Chicago.
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 20, 2026), "Roelof Petrus Gerhardus Dreyer (1915-1983)".
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