The temperature on September 7, 1911 was between 8.7 °C and 26.9 °C and averaged 16.9 °C. There was 10.4 hours of sunshine (78%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
March 25 » In New York City, the Triangle Shirtwaist Factory fire kills 146 garment workers.
May 21 » President of Mexico Porfirio Díaz and the revolutionary Francisco Madero sign the Treaty of Ciudad Juárez to put an end to the fighting between the forces of both men, concluding the initial phase of the Mexican Revolution.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
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.
November 17 » Omega Psi Phi fraternity was founded on the campus of Howard University in Washington, D.C.
Day of marriage June 6, 1936
The temperature on June 6, 1936 was between 9.2 °C and 20.7 °C and averaged 14.6 °C. There was 0.1 mm of rain during 0.2 hours. There was 13.0 hours of sunshine (79%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 15 » The first building to be completely covered in glass, built for the Owens-Illinois Glass Company, is completed in Toledo, Ohio.
February 16 » The Popular Front wins the 1936 Spanish general election.
March 1 » The Hoover Dam is completed.
June 26 » Initial flight of the Focke-Wulf Fw 61, the first practical helicopter.
August 24 » The Australian Antarctic Territory is created.
August 31 » Radio Prague, now the official international broadcasting station of the Czech Republic, goes on the air.
Day of death October 23, 1972
The temperature on October 23, 1972 was between 10.4 °C and 13.5 °C and averaged 11.8 °C. There was 1.0 hours of sunshine (10%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
February 15 » Sound recordings are granted U.S. federal copyright protection for the first time.
February 28 » China–United States relations: The United States and China sign the Shanghai Communiqué.
July 19 » Dhofar Rebellion: British SAS units help the Omani government against Popular Front for the Liberation of Oman rebels in the Battle of Mirbat.
August 16 » In an unsuccessful coup d'état attempt, the Royal Moroccan Air Force fires upon Hassan II of Morocco's plane while he is traveling back to Rabat.
September 1 » In Reykjavík, Iceland, American Bobby Fischer beats Russian Boris Spassky to become the world chess champion.
November 10 » Southern Airways Flight 49 from Birmingham, Alabama is hijacked and, at one point, is threatened with crashing into the nuclear installation at the Oak Ridge National Laboratory. After two days, the plane lands in Havana, Cuba, where the hijackers are jailed by Fidel Castro.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P16916.php : accessed January 6, 2026), "Gwendolen Ella Armstrong (1911-1972)".
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