The temperature on September 20, 1905 was between 10.7 °C and 15.0 °C and averaged 12.8 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
June 30 » Albert Einstein sends the article On the Electrodynamics of Moving Bodies, in which he introduces special relativity, for publication in Annalen der Physik.
August 20 » Sun Yat-sen, Chinese revolutionary, forms the first chapter of T'ung Meng Hui, a union of all secret societies determined to bringing down the Manchus.
September 23 » Norway and Sweden sign the "Karlstad treaty", peacefully dissolving the Union between the two countries.
November 12 » Norway holds a referendum resulting in popular approval of the Storting's decision to authorise the government to make the offer of the throne of the newly independent country.
November 21 » Albert Einstein's paper that leads to the mass–energy equivalence formula, E=mc², is published in the journal Annalen der Physik.
December 15 » The Pushkin House is established in Saint Petersburg, Russia, to preserve the cultural heritage of Alexander Pushkin.
Day of marriage May 31, 1926
The temperature on May 31, 1926 was between 8.9 °C and 16.7 °C and averaged 12.7 °C. There was 1.9 mm of rain. There was 3.2 hours of sunshine (20%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
April 6 » Varney Airlines makes its first commercial flight (Varney is the root company of United Airlines).
June 14 » Brazil leaves the League of Nations.
June 23 » The College Board administers the first SAT exam.
June 28 » Mercedes-Benz is formed by Gottlieb Daimler and Karl Benz merging their two companies.
August 6 » In New York City, the Warner Bros.' Vitaphone system premieres with the movie Don Juan starring John Barrymore.
October 31 » Last issue of the independent Italian newspaper Il Mondo, thereafter suppressed by the Mussolini regime
Day of death March 11, 1982
The temperature on March 11, 1982 was between 2.1 °C and 7.1 °C and averaged 4.7 °C. There was 0.1 mm of rain during 0.3 hours. There was 4.3 hours of sunshine (37%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
In The Netherlands , there was from Saturday, May 29, 1982 to Thursday, November 4, 1982 the cabinet Van Agt III, with Mr. A.A.M. van Agt (CDA) as prime minister.
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.
February 15 » The drilling rig Ocean Ranger sinks during a storm off the coast of Newfoundland, killing 84 workers.
March 26 » A groundbreaking ceremony for the Vietnam Veterans Memorial is held in Washington, D.C.
April 25 » Israel completes its withdrawal from the Sinai Peninsula per the Camp David Accords.
May 25 » Falklands War: HMS Coventry is sunk by Argentine Air Force A-4 Skyhawks.
August 29 » The synthetic chemical element Meitnerium, atomic number 109, is first synthesized at the Gesellschaft für Schwerionenforschung in Darmstadt, Germany.
November 14 » Lech Wałęsa, the leader of Poland's outlawed Solidarity movement, is released after eleven months of internment near the Soviet border.
When copying data from this family tree, please include a reference to the origin: Wicher Dam, "Dambomen, negen verschillende stambomen DAM", database, Genealogy Online (https://www.genealogieonline.nl/dambomen/I11614.php : accessed January 28, 2026), "Wilhelmus "Willem" Dam (1905-1982)".
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