The temperature on May 21, 1914 was between 8.8 °C and 22.8 °C and averaged 16.1 °C. There was 9.9 hours of sunshine (62%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
April 21 » Ypiranga incident: A German arms shipment to Mexico is intercepted by the U.S. Navy near Veracruz.
July 4 » The funeral of Archduke Franz Ferdinand and his wife Sophie takes place in Vienna, six days after their assassinations in Sarajevo.
August 26 » World War I: The German colony of Togoland surrenders to French and British forces after a 20-day campaign.
September 13 » World War I: The Battle of Aisne begins between Germany and France.
November 5 » World War I: France and the British Empire declare war on the Ottoman Empire.
December 15 » World War I: The Serbian Army recaptures Belgrade from the invading Austro-Hungarian Army.
Day of marriage May 11, 1939
The temperature on May 11, 1939 was between 8.5 °C and 17.3 °C and averaged 11.9 °C. There was 0.2 mm of rain during 0.2 hours. There was 4.8 hours of sunshine (31%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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.
March 2 » Cardinal Eugenio Pacelli is elected Pope and takes the name Pius XII.
March 30 » The Heinkel He 100 fighter sets a world airspeed record of 463mph (745km/h).
April 4 » Faisal II becomes King of Iraq.
April 10 » Alcoholics Anonymous, A.A.'s "Big Book", is first published.
September 1 » The Wound Badge for Wehrmacht, SS, Kriegsmarine, and Luftwaffe soldiers is instituted. The final version of the Iron Cross is also instituted on this date.
September 21 » Romanian Prime Minister Armand Călinescu is assassinated by the Iron Guard.
Day of death October 17, 1990
The temperature on October 17, 1990 was between 9.8 °C and 16.6 °C and averaged 13.4 °C. There was 6.3 mm of rain during 3.5 hours. The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
April 9 » Thirteen thousand members of the Dene and Métis tribes sign a land claim agreement for 180,000 square kilometres (69,000sqmi) in the Mackenzie Valley of the western Arctic.
July 21 » Taiwan's military police forces mainland Chinese illegal immigrants into sealed holds of a fishing boat Min Ping Yu No. 5540 for repatriation to Fujian, causing 25 people to die from suffocation.
July 30 » Ian Gow, Conservative Member of Parliament, is assassinated at his home by IRA terrorists in a car bombing after he assured the group that the British government would never surrender to them.
November 20 » Andrei Chikatilo, one of the Soviet Union's most prolific serial killers, is arrested; he eventually confesses to 56 killings.
November 28 » British Prime Minister Margaret Thatcher resigns as leader of the Conservative Party and, therefore, as Prime Minister. She is succeeded in both positions by John Major.
December 23 » History of Slovenia: In a referendum, 88.5% of Slovenia's overall electorate vote for independence from Yugoslavia.
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/I122491.php : accessed February 23, 2026), "Sipke Siersema (1914-1990)".
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