The temperature on April 20, 1911 was between 3.9 °C and 15.2 °C and averaged 9.6 °C. There was 11.7 hours of sunshine (82%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 3 » A magnitude 7.7 earthquake destroys the city of Almaty in Russian Turkestan.
February 18 » The first official flight with airmail takes place from Allahabad, United Provinces, British India (now India), when Henri Pequet, a 23-year-old pilot, delivers 6,500 letters to Naini, about 10 kilometres (6.2mi) away.
May 15 » In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil to be an "unreasonable" monopoly under the Sherman Antitrust Act and orders the company to be broken up.
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.
September 23 » Pilot Earle Ovington makes the first official airmail delivery in America under the authority of the United States Post Office Department
November 1 » World's first combat aerial bombing mission takes place in Libya during the Italo-Turkish War. Second Lieutenant Giulio Gavotti of Italy drops several small bombs.
Day of marriage May 18, 1943
The temperature on May 18, 1943 was between 6.4 °C and 18.5 °C and averaged 12.6 °C. There was 14.3 hours of sunshine (90%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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.
January 11 » Italian-American anarchist Carlo Tresca is assassinated in New York City.
July 10 » World War II: Operation Husky begins in Sicily.
August 23 » World War II: Kharkiv is liberated by the Soviet Union after the Battle of Kursk.
September 5 » World War II: The 503rd Parachute Infantry Regiment lands and occupies Lae Nadzab Airport, near Lae in the Salamaua–Lae campaign.
October 8 » World War II: Around 30 civilians are executed by Friedrich Schubert's paramilitary group in Kallikratis, Crete.
November 22 » World War II: Cairo Conference: U.S. President Franklin D. Roosevelt, British Prime Minister Winston Churchill, and Chinese Premier Chiang Kai-shek meet in Cairo, Egypt, to discuss ways to defeat Japan.
Day of death December 29, 1997
The temperature on December 29, 1997 was between 3.4 °C and 7.8 °C and averaged 5.6 °C. There was 1.6 mm of rain during 1.6 hours. There was 5.0 hours of sunshine (64%). The partly or 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 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.
January 21 » The U.S. House of Representatives votes 395–28 to reprimand Newt Gingrich for ethics violations, making him the first Speaker of the House to be so disciplined.
March 18 » The tail of a Russian Antonov An-24 charter plane breaks off while en route to Turkey causing the plane to crash and killing all 50 people on board.
April 6 » In Greene County, Tennessee, the Lillelid murders occurs when a group of young people abduct and kidnap a religious family before shooting them dead on a rural suburban road.
May 15 » The Space Shuttle Atlantis launches on STS-84 to dock with the Russian space station Mir.
July 5 » Sri Lankan Civil War: Sri Lankan Tamil MP A. Thangathurai is shot dead at Sri Shanmuga Hindu Ladies College in Trincomalee.
August 26 » Beni Ali massacre occurs in Algeria, leaving 60 to 100 people dead.
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/I118940.php : accessed October 10, 2026), "Sietze Baron (1911-1997)".
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