The temperature on April 21, 1927 was between 8.7 °C and 13.2 °C and averaged 11.3 °C. There was -0.1 hours of sunshine (0%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
May 8 » Attempting to make the first non-stop transatlantic flight from Paris to New York, French war heroes Charles Nungesser and François Coli disappear after taking off aboard The White Bird biplane.
July 16 » Augusto César Sandino leads a raid on U.S. Marines and Nicaraguan Guardia Nacional that had been sent to apprehend him in the village of Ocotal, but is repulsed by one of the first dive-bombing attacks in history.
August 19 » Patriarch Sergius of Moscow proclaims the declaration of loyalty of the Russian Orthodox Church to the Soviet Union.
August 23 » Italian anarchists Sacco and Vanzetti are executed after a lengthy, controversial trial.
October 6 » Opening of The Jazz Singer, the first prominent "talkie" movie.
Day of marriage February 10, 1955
The temperature on February 10, 1955 was between 0.2 °C and 4.5 °C and averaged 1.6 °C. There was 2.1 mm of rain during 1.4 hours. There was 5.4 hours of sunshine (56%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
February 18 » Operation Teapot: Teapot test shot "Wasp" is successfully detonated at the Nevada Test Site with a yield of 1.2 kilotons. Wasp is the first of fourteen shots in the Teapot series.
April 12 » The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective.
May 9 » Cold War: West Germany joins NATO.
May 18 » Operation Passage to Freedom, the evacuation of 310,000 Vietnamese civilians, soldiers and non-Vietnamese members of the French Army from communist North Vietnam to South Vietnam following the end of the First Indochina War, ends.
July 15 » Eighteen Nobel laureates sign the Mainau Declaration against nuclear weapons, later co-signed by thirty-four others.
September 16 » A Zulu-class submarine becomes the first to launch a ballistic missile.
Day of death August 12, 2000
The temperature on August 12, 2000 was between 9.7 °C and 23.9 °C and averaged 17.6 °C. There was 11.9 hours of sunshine (80%). The almost cloudless was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north. Source: KNMI
May 24 » Israeli troops withdraw from southern Lebanon after 22 years of occupation.
August 12 » The Russian Navy submarine Kursk explodes and sinks in the Barents Sea during a military exercise, killing her entire 118-man crew.
September 14 » Microsoft releases Windows ME.
October 1 » Israel-Palestinian conflict: Palestinians protest the murder of 12-year-old Muhammad al-Durrah by the Israeli police in northern Israel, beginning the "October 2000 events".
November 13 » Philippine House Speaker Manny Villar passes the articles of impeachment against Philippine President Joseph Estrada.
December 1 » Vicente Fox Quesada is inaugurated as the president of Mexico, marking the first peaceful transfer of executive federal power to an opposing political party following a free and democratic election in Mexico's history.
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/I220027.php : accessed October 23, 2026), "Neeltje Boomsma (1927-2000)".
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