January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
February 28 » The Second Boer War: The 118-day "Siege of Ladysmith" is lifted.
June 5 » Second Boer War: British soldiers take Pretoria.
June 25 » The Taoist monk Wang Yuanlu discovers the Dunhuang manuscripts, a cache of ancient texts that are of great historical and religious significance, in the Mogao Caves of Dunhuang, China.
September 13 » Filipino insurgents defeat a small American column in the Battle of Pulang Lupa, during the Philippine–American War.
December 19 » Hopetoun Blunder: The first Governor-General of Australia John Hope, 7th Earl of Hopetoun, appoints Sir William Lyne premier of the new state of New South Wales, but he is unable to persuade other colonial politicians to join his government and is forced to resign.
Day of marriage February 17, 1927
The temperature on February 17, 1927 was between 4.4 °C and 7.3 °C and averaged 5.3 °C. There was 1.0 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
May 27 » The Ford Motor Company ceases manufacture of the Ford Model T and begins to retool plants to make the Ford Model A.
July 4 » First flight of the Lockheed Vega.
August 1 » The Nanchang Uprising marks the first significant battle in the Chinese Civil War between the Kuomintang and Chinese Communist Party. This day is commemorated as the anniversary of the founding of the People's Liberation Army.
September 7 » The first fully electronic television system is achieved by Philo Farnsworth.
September 30 » Babe Ruth becomes the first baseball player to hit 60 home runs in a season.
Day of death April 4, 1990
The temperature on April 4, 1990 was between -0.6 °C and 8.6 °C and averaged 3.7 °C. There was 3.4 mm of rain during 1.2 hours. There was 7.6 hours of sunshine (58%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. 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.
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/I169282.php : accessed October 11, 2026), "Sytze Terpstra (1900-1990)".
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