The temperature on September 18, 1927 was between 7.4 °C and 15.6 °C and averaged 11.1 °C. There was 5.2 mm of rain. There was 3.6 hours of sunshine (29%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
March 15 » The first Women's Boat Race between the University of Oxford and the University of Cambridge takes place on The Isis in Oxford.
May 4 » The Academy of Motion Picture Arts and Sciences is incorporated.
June 26 » The Cyclone roller coaster opens on Coney Island.
August 1 » The Nanchang Uprising marks the first significant battle in the Chinese Civil War between the Kuomintang and Chinese Communist Party. This day is commemorated as the anniversary of the founding of the People's Liberation Army.
August 27 » Five Canadian women file a petition to the Supreme Court of Canada, asking, "Does the word 'Persons' in Section 24 of the British North America Act, 1867, include female persons?"
Day of death December 12, 1979
The average temperature on December 12, 1979 was 2.4 °C. There was -0.1 mm of rain. There was 3.9 hours of sunshine (50%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
January 1 » Normal diplomatic relations are established between the People's Republic of China and the United States.
February 11 » The Iranian Revolution establishes an Islamic theocracy under the leadership of Ayatollah Ruhollah Khomeini.
July 9 » A car bomb destroys a Renault motor car owned by "Nazi hunters" Serge and Beate Klarsfeld outside their home in France in an unsuccessful assassination attempt.
October 1 » The MTR, the rapid transit railway system in Hong Kong, opens.
October 14 » The first National March on Washington for Lesbian and Gay Rights draws approximately 100,000 people.
November 15 » A package from Unabomber Ted Kaczynski begins smoking in the cargo hold of a flight from Chicago to Washington, D.C., forcing the plane to make an emergency landing.
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/I23234.php : accessed February 2, 2026), "Maria A. "Mieke" Schijven (1927-1979)".
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