The temperature on September 8, 1911 was between 8.8 °C and 29.5 °C and averaged 18.8 °C. There was 10.4 hours of sunshine (79%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
May 19 » Parks Canada, the world's first national park service, is established as the Dominion Parks Branch under the Department of the Interior.
May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
August 14 » United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
November 3 » Chevrolet officially enters the automobile market in competition with the Ford Model T.
Day of death January 22, 1972
The temperature on January 22, 1972 was between -6.0 °C and 0.4 °C and averaged -2.2 °C. There was -0.1 mm of rain. The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
February 29 » Vietnam War: Vietnamization: South Korea withdraws 11,000 of its 48,000 troops from Vietnam.
April 10 » Tombs containing bamboo slips, among them Sun Tzu's Art of War and Sun Bin's lost military treatise, are accidentally discovered by construction workers in Shandong.
May 4 » The Don't Make A Wave Committee, a fledgling environmental organization founded in Canada in 1971, officially changes its name to "Greenpeace Foundation".
June 15 » Red Army Faction co-founder Ulrike Meinhof is captured by police in Langenhagen.
July 1 » The first Gay pride march in England takes place.
September 4 » Mark Spitz becomes the first competitor to win seven medals at a single Olympic Games.
When copying data from this family tree, please include a reference to the origin: Frank Coster, "Family tree Coster", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_coster/I6633.php : accessed January 4, 2026), "Leonardus Joseph Benjamin Wolff (1911-1972)".
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