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.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of death November 16, 1989
The temperature on November 16, 1989 was between 0.4 °C and 7.9 °C and averaged 3.7 °C. There was 8.1 hours of sunshine (92%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
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 1 » The Western Australian towns of Kalgoorlie and Boulder amalgamate to form the City of Kalgoorlie-Boulder.
February 10 » Ron Brown is elected chairman of the Democratic National Committee becoming the first African American to lead a major American political party.
April 15 » Upon Hu Yaobang's death, the Tiananmen Square protests of 1989 begin in China.
June 28 » On the 600th anniversary of the Battle of Kosovo, Slobodan Milošević delivers the Gazimestan speech at the site of the historic battle.
September 11 » Hungary announces that the East German refugees who had been housed in temporary camps were free to leave for West Germany.
December 17 » Romanian Revolution: Protests continue in Timișoara, Romania, with rioters breaking into the Romanian Communist Party's District Committee building and attempting to set it on fire.
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/I115636.php : accessed January 1, 2026), "Dirk Koster (1897-1989)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.