The temperature on January 18, 1910 was between 2.4 °C and 7.1 °C and averaged 4.2 °C. There was 4.4 mm of rain. There was 0.5 hours of sunshine (6%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
May 31 » The South Africa Act comes into force, establishing the Union of South Africa.
June 2 » Charles Rolls, a co-founder of Rolls-Royce Limited, becomes the first man to make a non-stop double crossing of the English Channel by plane.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
October 1 » A large bomb destroys the Los Angeles Times building, killing 21.
October 11 » Piloted by Arch Hoxsey, Theodore Roosevelt becomes the first U.S. president to fly in an airplane.
Day of marriage June 25, 1938
The temperature on June 25, 1938 was between 12.2 °C and 23.8 °C and averaged 17.5 °C. There was 6.5 hours of sunshine (39%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 3 » The March of Dimes is established as a foundation to combat infant polio by President Franklin D. Roosevelt.
March 27 » Second Sino-Japanese War: The Battle of Taierzhuang begins, resulting several weeks later in the war's first major Chinese victory over Japan.
May 26 » In the United States, the House Un-American Activities Committee begins its first session.
September 30 » The League of Nations unanimously outlaws "intentional bombings of civilian populations".
October 1 » Germany annexes the Sudetenland.
October 10 » Abiding by the Munich Agreement, Czechoslovakia completes its withdrawal from the Sudetenland.
Day of death August 20, 1981
The temperature on August 20, 1981 was between 11.6 °C and 18.1 °C and averaged 14.4 °C. There was 9.9 mm of rain during 5.9 hours. There was 4.0 hours of sunshine (28%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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.
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.
January 21 » Production of the iconic DeLorean sports car begins in Dunmurry, Northern Ireland, United Kingdom.
March 27 » The Solidarity movement in Poland stages a warning strike, in which at least 12 million Poles walk off their jobs for four hours.
June 24 » The Humber Bridge opens to traffic, connecting Yorkshire and Lincolnshire. It remained the world's longest bridge span for 17years.
July 17 » A structural failure leads to the collapse of a walkway at the Hyatt Regency in Kansas City, Missouri, killing 114 people and injuring more than 200.
July 19 » In a private meeting with U.S. President Ronald Reagan, French President François Mitterrand reveals the existence of the Farewell Dossier, a collection of documents showing the Soviet Union had been stealing American technological research and development.
August 30 » President Mohammad-Ali Rajai and Prime Minister Mohammad-Javad Bahonar of Iran are assassinated in a bombing committed by the People's Mujahedin of Iran.
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/I113036.php : accessed October 20, 2026), "Siebe Visser (1910-1981)".
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