The temperature on November 24, 1910 was between -2.8 °C and 1.7 °C and averaged -0.7 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
February 8 » The Boy Scouts of America is incorporated by William D. Boyce.
March 8 » French aviator Raymonde de Laroche becomes the first woman to receive a pilot's license.
May 31 » The South Africa Act comes into force, establishing the Union of South Africa.
September 12 » Premiere performance of Gustav Mahler's Symphony No. 8 in Munich (with a chorus of 852 singers and an orchestra of 171 players. Mahler's rehearsal assistant conductor was Bruno Walter).
October 11 » Piloted by Arch Hoxsey, Theodore Roosevelt becomes the first U.S. president to fly in an airplane.
November 20 » Mexican Revolution: Francisco I. Madero issues the Plan de San Luis Potosí, denouncing Mexican President Porfirio Díaz, calling for a revolution to overthrow the government of Mexico, effectively starting the Mexican Revolution.
Day of marriage July 8, 1936
The temperature on July 8, 1936 was between 12.4 °C and 20.7 °C and averaged 17.2 °C. There was 8.0 hours of sunshine (48%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 26 » In the February 26 Incident, young Japanese military officers attempt to stage a coup against the government.
May 5 » Italian troops occupy Addis Ababa, Ethiopia.
July 23 » In Catalonia, Spain, the Unified Socialist Party of Catalonia is founded through the merger of Socialist and Communist parties.
August 14 » Rainey Bethea is hanged in Owensboro, Kentucky in the last known public execution in the United States.
November 2 » The British Broadcasting Corporation initiates the BBC Television Service, the world's first regular, "high-definition" (then defined as at least 200 lines) service. Renamed BBC1 in 1964, the channel still runs to this day.
December 13 » An annular solar eclipse occurred and was visible from Australia, New Zealand on December 14th (Monday), and Oeno Island in Pitcairn Islands on December 13th (Sunday).
Day of death December 21, 1987
The temperature on December 21, 1987 was between 8.2 °C and 9.8 °C and averaged 9.1 °C. There was 0.6 mm of rain during 1.8 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 6 » Justice Mary Gaudron becomes the first woman to be appointed to the High Court of Australia.
February 23 » Supernova 1987a is seen in the Large Magellanic Cloud.
May 1 » Pope John Paul II beatifies Edith Stein, a Jewish-born Carmelite nun who was gassed in the Nazi concentration camp at Auschwitz.
May 15 » The Soviet Union launches the Polyus prototype orbital weapons platform. It fails to reach orbit.
June 8 » New Zealand's Labour government establishes a national nuclear-free zone under the New Zealand Nuclear Free Zone, Disarmament, and Arms Control Act 1987.
July 29 » British Prime Minister Margaret Thatcher and President of France François Mitterrand sign the agreement to build a tunnel under the English Channel (Eurotunnel).
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I18868.php : accessed February 23, 2026), "Robert van Heulen (1910-1987)".
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