The temperature on October 23, 1912 was between 4.7 °C and 7.8 °C and averaged 6.8 °C. There was 8.6 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 4 » The Scout Association is incorporated throughout the British Empire by royal charter.
January 23 » The International Opium Convention is signed at The Hague.
March 12 » The Girl Guides (later renamed the Girl Scouts of the USA) are founded in the United States.
May 18 » The first Indian film, Shree Pundalik by Dadasaheb Torne, is released in Mumbai.
July 8 » Henrique Mitchell de Paiva Couceiro leads an unsuccessful royalist attack against the First Portuguese Republic in Chaves.
October 11 » First Balkan War: The day after the Battle of Sarantaporo, Greek troops liberate the city of Kozani.
Day of marriage May 9, 1939
The temperature on May 9, 1939 was between 6.6 °C and 17.6 °C and averaged 12.5 °C. There was 3.9 hours of sunshine (25%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
February 10 » Spanish Civil War: The Nationalists conclude their conquest of Catalonia and seal the border with France.
February 27 » United States labor law: The U.S. Supreme Court rules in NLRB v. Fansteel Metallurgical Corp. that the National Labor Relations Board has no authority to force an employer to rehire workers who engage in sit-down strikes.
July 28 » The Sutton Hoo helmet is discovered.
August 15 » The Wizard of Oz premieres at Grauman's Chinese Theater in Los Angeles, California.
September 1 » Switzerland mobilizes its forces and the Swiss Parliament elects Henri Guisan to head the Swiss Armed Forces (an event that can happen only during war or mobilization).
September 19 » World War II: The Battle of Kępa Oksywska concludes, with Polish losses reaching roughly 14% of all the forces engaged.
Day of death July 25, 1983
The temperature on July 25, 1983 was between 13.0 °C and 28.2 °C and averaged 21.1 °C. There was 8.5 hours of sunshine (54%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
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 23 » The United States Environmental Protection Agency announces its intent to buy out and evacuate the dioxin-contaminated community of Times Beach, Missouri.
March 11 » Pakistan successfully conducts a cold test of a nuclear weapon.
June 13 » Pioneer 10 becomes the first man-made object to leave the central Solar System when it passes beyond the orbit of Neptune.
July 23 » Gimli Glider: Air Canada Flight 143 runs out of fuel and makes a deadstick landing at Gimli, Manitoba.
July 24 » George Brett batting for the Kansas City Royals against the New York Yankees, has a game-winning home run nullified in the "Pine Tar Incident".
September 26 » Soviet Air Force officer Stanislav Petrov identifies a report of an incoming nuclear missile as a computer error and not an American first strike.
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/I135252.php : accessed December 29, 2025), "Roelf Sikkema (1912-1983)".
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