The temperature on September 12, 1909 was between 11.2 °C and 16.0 °C and averaged 14.1 °C. There was 0.2 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
January 16 » Ernest Shackleton's expedition finds the magnetic South Pole.
January 25 » Richard Strauss's opera Elektra receives its debut performance at the Dresden State Opera.
April 14 » A massacre is organized by the Ottoman Empire against the Armenian population of Cilicia.
April 27 » Sultan of Ottoman Empire Abdul Hamid II is overthrown, and is succeeded by his brother, Mehmed V.
August 24 » Workers start pouring concrete for the Panama Canal.
December 14 » New South Wales Premier Charles Wade signs the Seat of Government Surrender Act 1909, formally completing the transfer of State land to the Commonwealth to create the Australian Capital Territory.
Day of marriage May 15, 1936
The temperature on May 15, 1936 was between 5.8 °C and 22.1 °C and averaged 15.2 °C. There was 11.3 hours of sunshine (72%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
April 5 » Tupelo–Gainesville tornado outbreak: An F5 tornado kills 233 in Tupelo, Mississippi.
April 6 » Tupelo–Gainesville tornado outbreak: Another tornado from the same storm system as the Tupelo tornado hits Gainesville, Georgia, killing 203.
June 26 » Initial flight of the Focke-Wulf Fw 61, the first practical helicopter.
July 19 » Spanish Civil War: The CNT and UGT call a general strike in Spain - mobilizing workers' militias against the Nationalist forces.
July 26 » King Edward VIII, in one of his few official duties before he abdicates the throne, officially unveils the Canadian National Vimy Memorial.
December 11 » Abdication Crisis: Edward VIII's abdication as King of the United Kingdom and the British Dominions beyond the Seas, and Emperor of India, becomes effective.
Day of death July 17, 1991
The temperature on July 17, 1991 was between 13.9 °C and 21.0 °C and averaged 16.9 °C. There was 9.5 hours of sunshine (59%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. 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.
March 31 » Georgian independence referendum: Nearly 99 percent of the voters support the country's independence from the Soviet Union.
August 6 » Tim Berners-Lee releases files describing his idea for the World Wide Web. WWW debuts as a publicly available service on the Internet.
August 19 » Crown Heights riot begins.
November 26 » National Assembly of Azerbaijan abolishes the autonomous status of Nagorno-Karabakh Autonomous Oblast of Azerbaijan and renames several cities back to their original names.
December 16 » Kazakhstan declares independence from the Soviet Union.
December 26 » The Supreme Soviet of the Soviet Union meets and formally dissolves the Soviet Union, ending the Cold War.
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/I190085.php : accessed December 26, 2025), "Siebe Terpstra (1909-1991)".
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