The temperature on February 1, 1911 was between -8.0 °C and 1.7 °C and averaged -2.1 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
January 3 » A magnitude 7.7 earthquake destroys the city of Almaty in Russian Turkestan.
May 19 » Parks Canada, the world's first national park service, is established as the Dominion Parks Branch under the Department of the Interior.
August 14 » United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death.
October 13 » Prince Arthur, Duke of Connaught and Strathearn, becomes the first Governor General of Canada of royal descent.
November 11 » Many cities in the Midwestern United States break their record highs and lows on the same day as a strong cold front rolls through.
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
Day of marriage September 11, 1941
The temperature on September 11, 1941 was between 10.6 °C and 18.2 °C and averaged 14.1 °C. There was 7.7 mm of rain during 7.2 hours. There was 4.2 hours of sunshine (32%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 21 » Sparked by the murder of a German officer in Bucharest, Romania the day before, members of the Iron Guard engaged in a rebellion and pogrom killing 125 Jews.
April 1 » Fântâna Albă massacre: Between 200 and 2,000 Romanian civilians are killed by Soviet Border Troops.
September 27 » The Greek National Liberation Front is established with Georgios Siantos as acting leader.
December 9 » World War II: China, Cuba, Guatemala, and the Philippine Commonwealth declare war on Germany and Japan.
December 10 » World War II: Battle of the Philippines: Imperial Japanese forces under the command of General Masaharu Homma land on Luzon.
December 25 » World War II: Battle of Hong Kong ends, beginning the Japanese occupation of Hong Kong.
Day of death June 15, 1943
The temperature on June 15, 1943 was between 7.9 °C and 17.0 °C and averaged 11.9 °C. There was 8.7 mm of rain during 4.8 hours. There was 4.9 hours of sunshine (29%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
March 4 » World War II: The Battle of the Bismarck Sea in the south-west Pacific comes to an end.
March 6 » World War II: The Battle of Fardykambos, one of the first major battles between the Greek Resistance and the occupying Royal Italian Army, ends with the surrender of an entire Italian battalion, the bulk of the garrison of the town of Grevena, leading to its liberation a fortnight later.
April 26 » The Easter Riots break out in Uppsala, Sweden.
July 5 » World War II: German forces begin a massive offensive against the Soviet Union at the Battle of Kursk, also known as Operation Citadel.
September 6 » Pennsylvania Railroad's premier train derails at Frankford Junction in Philadelphia, killing 79 people and injuring 117 others.
November 29 » World War II: The second session of the Anti-Fascist Council for the National Liberation of Yugoslavia (AVNOJ), held to determine the post-war ordering of the country, concludes in Jajce (present-day Bosnia and Herzegovina).
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/I167664.php : accessed February 12, 2026), "Johannes Postema Siccama (1911-1943)".
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