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.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
May 7 » World War I: German submarine U-20 sinks RMS Lusitania, killing 1,198 people, including 128 Americans. Public reaction to the sinking turns many former pro-Germans in the United States against the German Empire.
May 9 » World War I: Second Battle of Artois between German and French forces.
May 24 » World War I: Italy declares war on Austria-Hungary, joining the conflict on the side of the Allies.
June 5 » Denmark amends its constitution to allow women's suffrage.
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 10 » Cartoon characters Tom and Jerry make their debut with Puss Gets the Boot.
February 29 » 12th Academy Awards: For her performance as "Mammy" in Gone with the Wind, Hattie McDaniel becomes the first African American to win an Academy Award.
April 23 » The Rhythm Club fire at a dance hall in Natchez, Mississippi, kills 198 people.
May 5 » World War II: Norwegian refugees form a government-in-exile in London.
June 23 » Adolf Hitler goes on a three-hour tour of the architecture of Paris with architect Albert Speer and sculptor Arno Breker in his only visit to the city.
December 9 » World War II: Operation Compass: British and Indian troops under the command of Major-General Richard O'Connor attack Italian forces near Sidi Barrani in Egypt.
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.
June 5 » More than 100 people are killed when the Russian river cruise ship Aleksandr Suvorov collides with a girder of the Ulyanovsk Railway Bridge. The collision caused a freight train to derail, further damaging the vessel yet the ship remained afloat and was eventually restored and returned to service.
July 25 » Black July: Thirty-seven Tamil political prisoners at the Welikada high security prison in Colombo are massacred by the fellow Sinhalese prisoners.
October 30 » The first democratic elections in Argentina, after seven years of military rule, are held.
November 8 » TAAG Angola Airlines Flight 462 crashes after takeoff from Lubango Airport killing all 130 people on board. UNITA claims to have shot down the aircraft, though this is disputed.
November 26 » Brink's-Mat robbery: In London, 6,800 gold bars worth nearly £26 million are stolen from the Brink's-Mat vault at Heathrow Airport.
December 31 » In Nigeria a coup d'état led by Major General Muhammadu Buhari ends the Second Nigerian Republic.
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 1, 2026), "Roelof Petrus Gerhardus Dreyer (1915-1983)".
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