The temperature on June 11, 1911 was between 2.1 °C and 17.6 °C and averaged 10.8 °C. There was 11.1 hours of sunshine (67%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
May 31 » The President of Mexico Porfirio Díaz flees the country during the Mexican Revolution.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
Day of marriage May 13, 1943
The temperature on May 13, 1943 was between 10.9 °C and 25.5 °C and averaged 18.4 °C. There was 12.8 hours of sunshine (82%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
April 8 » Otto and Elise Hampel are executed in Berlin for their anti-Nazi activities.
June 20 » The Detroit race riot breaks out and continues for three more days.
July 11 » Massacres of Poles in Volhynia and Eastern Galicia by the Ukrainian Insurgent Army within the Reichskommissariat Ukraine (Volhynia) peak.
August 1 » World War II: Operation Tidal Wave also known as "Black Sunday", was a failed American attempt to destroy Romanian oil fields.
September 30 » The United States Merchant Marine Academy is dedicated by President Roosevelt.
November 19 » Holocaust: Nazis liquidate Janowska concentration camp in Lemberg (Lviv), western Ukraine, murdering at least 6,000 Jews after a failed uprising and mass escape attempt.
Day of death November 17, 1998
The temperature on November 17, 1998 was between -1.8 °C and 7.2 °C and averaged 1.7 °C. There was 3.1 hours of sunshine (35%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
In The Netherlands , there was from Monday, August 3, 1998 to Monday, July 22, 2002 the cabinet Kok II, with W. Kok (PvdA) as prime minister.
February 28 » First flight of RQ-4 Global Hawk, the first unmanned aerial vehicle certified to file its own flight plans and fly regularly in U.S. civilian airspace.
June 4 » Terry Nichols is sentenced to life in prison for his role in the Oklahoma City bombing.
August 15 » Northern Ireland: Omagh bombing takes place; 29 people (including a woman pregnant with twins) killed and some 220 others injured.
September 2 » The UN's International Criminal Tribunal for Rwanda finds Jean-Paul Akayesu, the former mayor of a small town in Rwanda, guilty of nine counts of genocide.
November 19 » Vincent van Gogh's Portrait of the Artist Without Beard sells at auction for US$71.5million.
December 26 » Iraq announces its intention to fire upon U.S. and British warplanes that patrol the northern and southern no-fly zones.
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/I117971.php : accessed October 19, 2026), "Pieter Westra (1911-1998)".
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