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
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.
March 25 » In New York City, the Triangle Shirtwaist Factory fire kills 146 garment workers.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
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.
February 23 » A fire breaks out at Saint Joseph's Orphanage, County Cavan, Ireland, killing 35 children and one adult.
March 3 » World War II: In London, 173 people are killed in a crush while trying to enter an air-raid shelter at Bethnal Green tube station.
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 19 » World War II: In Poland, the Warsaw Ghetto Uprising begins, after German troops enter the Warsaw Ghetto to round up the remaining Jews.
June 24 » US military police attempt to arrest a black soldier in Bamber Bridge, England, sparking the Battle of Bamber Bridge mutiny that leaves one dead and seven wounded.
December 5 » World War II: Allied air forces begin attacking Germany's secret weapons bases in Operation Crossbow.
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 24, 2026), "Petrus van Waarden (1911-)".
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