The temperature on March 21, 1911 was between 0.7 °C and 14.3 °C and averaged 7.1 °C. There was 1.4 mm of rain. There was 2.4 hours of sunshine (20%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
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 August 25, 1937
The temperature on August 25, 1937 was between 12.7 °C and 22.5 °C and averaged 18.0 °C. There was 0.1 mm of rain. There was 10.5 hours of sunshine (74%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
March 2 » The Steel Workers Organizing Committee signs a collective bargaining agreement with U.S. Steel, leading to unionization of the United States steel industry.
March 21 » Ponce massacre: Nineteen people in Ponce, Puerto Rico are gunned down by police acting on orders of the US-appointed Governor, Blanton C. Winship.
May 26 » Walter Reuther and members of the United Auto Workers (UAW) clashed with Ford Motor Company security guards at the River Rouge Complex complex in Dearborn, Michigan, during the Battle of the Overpass.
July 7 » The Marco Polo Bridge Incident provides the Imperial Japanese Army with a pretext for starting the Second Sino-Japanese War.
August 14 » The beginning of air-to-air combat of the Second Sino-Japanese War and World War II in general, when six Japanese bombers are shot down by Chinese fighters while raiding Chinese air bases.
December 13 » Second Sino-Japanese War: Battle of Nanking: The city of Nanjing, defended by the National Revolutionary Army under the command of General Tang Shengzhi, falls to the Japanese. This is followed by the Nanking Massacre, in which Japanese troops rape and slaughter hundreds of thousands of civilians.
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/I167702.php : accessed October 5, 2026), "Anno Klunder (1911-)".
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