In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
April 15 » The General Electric Company is formed.
June 30 » The Homestead Strike begins near Pittsburgh, Pennsylvania.
September 28 » The first night game for American football takes place in a contest between Wyoming Seminary and Mansfield State Normal.
October 21 » Opening ceremonies for the World's Columbian Exposition are held in Chicago, though because construction was behind schedule, the exposition did not open until May 1, 1893.
November 8 » The New Orleans general strike begins, uniting black and white American trade unionists in a successful four-day general strike action for the first time.
November 12 » Pudge Heffelfinger becomes the first professional American football player on record, participating in his first paid game for the Allegheny Athletic Association.
Day of marriage May 13, 1915
The temperature on May 13, 1915 was between 6.4 °C and 12.2 °C and averaged 8.1 °C. There was 23.0 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
January 13 » The 6.7 Mw Avezzano earthquake shakes the Province of L'Aquila in Italy with a maximum Mercalli intensity of XI (Extreme), killing between 29,978–32,610.
January 18 » Japan issues the "Twenty-One Demands" to the Republic of China in a bid to increase its power in East Asia.
January 21 » Kiwanis International is founded in Detroit.
January 31 » World War I: Germany is the first to make large-scale use of poison gas in warfare in the Battle of Bolimów against Russia.
May 27 » HMS Princess Irene exploded and sank off Sheerness, Kent with the loss of 352 lives.
August 4 » World War I: The German 12th Army occupies Warsaw during the Gorlice–Tarnów Offensive and the Great Retreat of 1915.
Day of death January 12, 1981
The temperature on January 12, 1981 was between -3.5 °C and 1.3 °C and averaged -0.3 °C. There was 10.0 mm of rain during 7.0 hours. The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
February 8 » Twenty-one association football spectators are trampled to death at Karaiskakis Stadium in Neo Faliro, Greece, after a football match between Olympiacos F.C. and AEK Athens F.C.
April 27 » Xerox PARC introduces the computer mouse.
May 21 » Transamerica Corporation agrees to sell United Artists to Metro-Goldwyn-Mayer for $380million after the box office failure of the 1980 film Heaven's Gate.
August 7 » The Washington Star ceases all operations after 128 years of publication.
September 15 » The Senate Judiciary Committee unanimously approves Sandra Day O'Connor to become the first female justice of the Supreme Court of the United States.
December 13 » General Wojciech Jaruzelski declares martial law in Poland, largely due to the actions by Solidarity.
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/I112150.php : accessed October 9, 2026), "Theunis Koopstra (1892-1981)".
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