The temperature on November 17, 1911 was between 7.9 °C and 12.3 °C and averaged 9.7 °C. There was 17.6 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 15 » Palestinian Arabic-language Falastin newspaper founded.
January 21 » The first Monte Carlo Rally takes place.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
September 1 » The armored cruiser Georgios Averof is commissioned into the Greek Navy. It now serves as a museum ship.
November 11 » Many cities in the Midwestern United States break their record highs and lows on the same day as a strong cold front rolls through.
Day of death February 11, 1989
The temperature on February 11, 1989 was between 1.3 °C and 9.9 °C and averaged 5.5 °C. There was -0.1 mm of rain. There was 3.3 hours of sunshine (34%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. 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 6 » The Round Table Talks start in Poland, thus marking the beginning of the overthrow of communism in Eastern Europe.
April 21 » Tiananmen Square protests of 1989: In Beijing, around 100,000 students gather in Tiananmen Square to commemorate Chinese reform leader Hu Yaobang.
June 4 » Ali Khamenei is elected as the new Supreme Leader of the Islamic Republic of Iran by the Assembly of Experts after the death and funeral of Ayatollah Ruhollah Khomeini.
August 22 » Nolan Ryan strikes out Rickey Henderson to become the first Major League Baseball pitcher to record 5,000 strikeouts.
August 24 » Colombian drug barons declare "total war" on the Colombian government.
November 20 » Velvet Revolution: The number of protesters assembled in Prague, Czechoslovakia swells from 200,000 the day before to an estimated half-million.
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/I119176.php : accessed October 21, 2026), "Jan Senneker (1911-1989)".
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