The temperature on October 19, 1909 was between 9.1 °C and 16.4 °C and averaged 12.4 °C. There was 2.8 hours of sunshine (27%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 15 » The Flores Theater fire in Acapulco, Mexico kills 250.
March 10 » By signing the Anglo-Siamese Treaty of 1909, Thailand relinquishes its sovereignty over the Malay states of Kedah, Kelantan, Perlis and Terengganu, which become British protectorates.
April 18 » Joan of Arc is beatified in Rome.
August 19 » The first automobile race at the Indianapolis Motor Speedway.
September 20 » The South Africa Act 1909 creates the Union of South Africa from the British Colonies from four smaller colonies.
December 14 » New South Wales Premier Charles Wade signs the Seat of Government Surrender Act 1909, formally completing the transfer of State land to the Commonwealth to create the Australian Capital Territory.
Day of marriage May 28, 1936
The temperature on May 28, 1936 was between 7.1 °C and 13.1 °C and averaged 9.4 °C. There was 0.2 hours of sunshine (1%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
March 16 » Warmer-than-normal temperatures rapidly melt snow and ice on the upper Allegheny and Monongahela rivers, leading to a major flood in Pittsburgh.
June 30 » Emperor Haile Selassie of Abyssinia appeals for aid to the League of Nations against Italy's invasion of his country.
July 22 » Spanish Civil War: The Popular Executive Committee of Valencia takes power in the Valencian Community.
August 9 » Summer Olympic Games: Games of the XI Olympiad: Jesse Owens wins his fourth gold medal at the games.
August 31 » Radio Prague, now the official international broadcasting station of the Czech Republic, goes on the air.
September 6 » Spanish Civil War: The Interprovincial Council of Asturias and León is established.
Day of death July 9, 1971
The temperature on July 9, 1971 was between 14.3 °C and 29.5 °C and averaged 22.7 °C. There was -0.1 mm of rain. There was 13.3 hours of sunshine (81%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
January 12 » The Harrisburg Seven: Rev. Philip Berrigan and five other activists are indicted on charges of conspiring to kidnap Henry Kissinger and of plotting to blow up the heating tunnels of federal buildings in Washington, D.C.
February 2 » Idi Amin replaces President Milton Obote as leader of Uganda.
February 8 » The NASDAQ stock market index opens for the first time.
February 21 » The Convention on Psychotropic Substances is signed at Vienna.
June 7 » The Alcohol, Tobacco, and Firearms Division of the U.S. Internal Revenue Service raids the home of Ken Ballew for illegal possession of hand grenades.
August 5 » The first Pacific Islands Forum (then known as the "South Pacific Forum") is held in Wellington, New Zealand, with the aim of enhancing cooperation between the independent countries of the Pacific Ocean.
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/I118191.php : accessed October 18, 2026), "Betje Zuidersma (1909-1971)".
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