The temperature on October 4, 1911 was between 6.0 °C and 14.8 °C and averaged 9.9 °C. There was 0.7 mm of rain. There was 4.9 hours of sunshine (43%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
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.
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 1 » Harriet Quimby takes her pilot's test and becomes the first U.S. woman to earn an Aero Club of America aviator's certificate.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
Day of marriage November 18, 1943
The temperature on November 18, 1943 was between -0.6 °C and 5.2 °C and averaged 2.2 °C. There was 1.8 hours of sunshine (21%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-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 14 » World War II: Japan begins Operation Ke, the successful operation to evacuate its forces from Guadalcanal during the Guadalcanal Campaign.
February 10 » World War II: Attempting to completely lift the Siege of Leningrad, the Soviet Red Army engages German troops and Spanish volunteers in the Battle of Krasny Bor.
June 4 » A military coup in Argentina ousts Ramón Castillo.
July 24 » World War II: Operation Gomorrah begins: British and Canadian aeroplanes bomb Hamburg by night, and American planes bomb the city by day. By the end of the operation in November, 9,000 tons of explosives will have killed more than 30,000 people and destroyed 280,000 buildings.
October 22 » World War II: In the Second firestorm raid on Germany, the RAF conducts an air raid on the town of Kassel, killing 10,000 and rendering 150,000 homeless.
October 31 » World War II: An F4U Corsair accomplishes the first successful radar-guided interception by a United States Navy or Marine Corps aircraft.
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/I119119.php : accessed October 20, 2026), "Petrus van Waarden (1911-)".
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