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 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
January 6 » New Mexico is admitted to the Union as the 47th U.S. state.
January 11 » Immigrant textile workers in Lawrence, Massachusetts, go on strike when wages are reduced in response to a mandated shortening of the work week.
January 23 » The International Opium Convention is signed at The Hague.
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
September 4 » Albanian rebels succeed in their revolt when the Ottoman Empire agrees to fulfill their demands
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.
May 22 » World War II: Germany and Italy sign the Pact of Steel.
September 9 » Burmese national hero U Ottama dies in prison after a hunger strike to protest Britain's colonial government.
September 9 » World War II: The Battle of Hel begins, the longest-defended pocket of Polish Army resistance during the German invasion of Poland.
November 8 » Venlo Incident: Two British agents of SIS are captured by the Germans.
December 14 » Winter War: The Soviet Union is expelled from the League of Nations for invading Finland.
December 22 » Indian Muslims observe a "Day of Deliverance" to celebrate the resignations of members of the Indian National Congress over their not having been consulted over the decision to enter World War II with the United Kingdom.
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.
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 October 19, 2026), "Roelf Sikkema (1912-1983)".
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