The temperature on November 6, 1914 was between 2.7 °C and 9.7 °C and averaged 6.6 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. 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.
June 28 » Archduke Franz Ferdinand of Austria and his wife Sophie are assassinated in Sarajevo; this is the casus belli of World War I.
July 4 » The funeral of Archduke Franz Ferdinand and his wife Sophie takes place in Vienna, six days after their assassinations in Sarajevo.
August 20 » World War I: Brussels is captured during the German invasion of Belgium.
August 28 » World War I: The Royal Navy defeats the German fleet in the Battle of Heligoland Bight.
September 1 » St. Petersburg, Russia, changes its name to Petrograd.
November 16 » The Federal Reserve Bank of the United States officially opens.
Day of death March 4, 1981
The temperature on March 4, 1981 was between -0.7 °C and 1.9 °C and averaged 0.5 °C. There was -0.1 mm of rain. There was 0.5 hours of sunshine (5%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. 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.
March 5 » The ZX81, a pioneering British home computer, is launched by Sinclair Research and would go on to sell over 1⁄2 million units around the world.
March 26 » Social Democratic Party (UK) is founded as a party.
April 3 » The Osborne 1, the first successful portable computer, is unveiled at the West Coast Computer Faire in San Francisco.
June 24 » The Humber Bridge opens to traffic, connecting Yorkshire and Lincolnshire. It remained the world's longest bridge span for 17years.
August 25 » Voyager 2 spacecraft makes its closest approach to Saturn.
October 22 » The United States Federal Labor Relations Authority votes to decertify the Professional Air Traffic Controllers Organization (PATCO) for its strike the previous August.
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/I144263.php : accessed December 27, 2025), "Siebe Tjepkema (1914-1981)".
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