The temperature on June 11, 1910 was between 13.7 °C and 21.3 °C and averaged 16.4 °C. There was 0.3 mm of rain. There was 3.4 hours of sunshine (20%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
April 28 » Frenchman Louis Paulhan wins the 1910 London to Manchester air race, the first long-distance aeroplane race in England.
May 6 » George V becomes King of Great Britain, Ireland, and many overseas territories, on the death of his father, Edward VII.
June 19 » The first Father's Day is celebrated in Spokane, Washington.
June 25 » The United States Congress passes the Mann Act, which prohibits interstate transport of women or girls for “immoral purposes”; the ambiguous language would be used to selectively prosecute people for years to come.
July 24 » The Ottoman Empire captures the city of Shkodër, putting down the Albanian Revolt of 1910.
Day of death June 21, 1986
The temperature on June 21, 1986 was between 11.0 °C and 21.2 °C and averaged 15.2 °C. There was 8.9 hours of sunshine (53%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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.
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.
January 20 » In the United States, Martin Luther King, Jr. Day is celebrated as a federal holiday for the first time.
February 8 » Hinton train collision: Twenty-three people are killed when a VIA Rail passenger train collides with a 118-car Canadian National freight train near the town of Hinton, Alberta, west of Edmonton. It is the worst rail accident in Canada until the Lac-Mégantic, Quebec derailment in 2013 which killed forty-seven people.
April 28 » High levels of radiation resulting from the Chernobyl disaster are detected at a nuclear power plant in Sweden, leading Soviet authorities to publicly announce the accident.
September 28 » The Democratic Progressive Party becomes the first opposition party in Taiwan.
November 5 » USSRentz, USSReeves and USSOldendorf visit Qingdao (Tsing Tao) China – the first US Naval visit to China since 1949.
November 25 » The King Fahd Causeway is officially opened in the Persian Gulf.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I2200.php : accessed September 26, 2026), "Sytze van der Heide (1910-1986)".
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