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
May 15 » More than 300 Chinese immigrants are killed in the Torreón massacre when the forces of the Mexican Revolution led by Emilio Madero take the city of Torreón from the Federales.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
November 3 » Chevrolet officially enters the automobile market in competition with the Ford Model T.
December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
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 16 » Albert Hofmann accidentally discovers the hallucinogenic effects of the research drug LSD. He intentionally takes the drug three days later on April 19.
April 18 » World War II: Operation Vengeance, Admiral Isoroku Yamamoto is killed when his aircraft is shot down by U.S. fighters over Bougainville Island.
September 5 » World War II: The 503rd Parachute Infantry Regiment lands and occupies Lae Nadzab Airport, near Lae in the Salamaua–Lae campaign.
September 7 » A fire at the Gulf Hotel in Houston kills 55 people.
October 14 » World War II: Prisoners at the Sobibór extermination camp in Poland revolt against the Germans.
December 4 » World War II: In Yugoslavia, resistance leader Marshal Josip Broz Tito proclaims a provisional democratic Yugoslav government in-exile.
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.
January 25 » A suicide attack by the Liberation Tigers of Tamil Eelam on Sri Lanka's Temple of the Tooth kills eight and injures 25 others.
February 28 » Kosovo War: Serbian police begin the offensive against the Kosovo Liberation Army in Kosovo.
May 23 » The Good Friday Agreement is accepted in a referendum in Northern Ireland with roughly 75% voting yes.
June 25 » In Clinton v. City of New York, the United States Supreme Court decides that the Line Item Veto Act of 1996 is unconstitutional.
July 17 » The 7.0 Mw Papua New Guinea earthquake triggers a tsunami that destroys ten villages in Papua New Guinea, killing up to 2,700 people, and leaving several thousand injured.
October 29 » Space Shuttle Discovery blasts off on STS-95 with 77-year-old John Glenn on board, making him the oldest person to go into space.
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 February 12, 2026), "Pieter Westra (1911-1998)".
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