April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
December 30 » The British Colony of Natal annexes Zululand.
Day of death November 11, 1991
The temperature on November 11, 1991 was between 3.8 °C and 8.6 °C and averaged 7.0 °C. There was 7.7 mm of rain during 12.2 hours. The 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 Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 15 » The Visegrád Agreement, establishing cooperation to move toward free-market systems, is signed by the leaders of Czechoslovakia, Hungary and Poland.
June 19 » The last Soviet army units in Hungary are withdrawn.
August 25 » Belarus gains its independence from the Soviet Union.
August 25 » Linus Torvalds announces the first version of what will become Linux.
October 8 » Upon the expiration of the Brioni Agreement, Croatia and Slovenia sever all official relations with Yugoslavia.
October 11 » Prof. Anita Hill delivers her televised testimony concerning sexual harassment during the Clarence Thomas Supreme Court nomination.
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/I75930.php : accessed October 10, 2026), "Jilles Tjoelker (1897-1991)".
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