The temperature on May 22, 1911 was between 4.7 °C and 14.0 °C and averaged 9.2 °C. There was 3.1 hours of sunshine (19%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
May 31 » The President of Mexico Porfirio Díaz flees the country during the Mexican Revolution.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
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 March 26, 1941
The temperature on March 26, 1941 was between 0.8 °C and 4.0 °C and averaged 1.5 °C. There was 19.0 mm of rain during 11.4 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
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.
March 2 » World War II: First German military units enter Bulgaria after it joins the Axis Pact.
March 4 » World War II: The United Kingdom launches Operation Claymore on the Lofoten Islands; the first large scale British Commando raid.
March 29 » The North American Regional Broadcasting Agreement goes into effect at 03:00 local time.
May 13 » World War II: Yugoslav royal colonel Dragoljub Mihailović starts fighting against German occupation troops, beginning the Serbian resistance.
September 30 » World War II: The Babi Yar massacre comes to an end.
December 25 » Admiral Émile Muselier seizes the archipelago of Saint Pierre and Miquelon, which become the first part of France to be liberated by the Free French Forces.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I268302.php : accessed February 25, 2026), "Roelofke van Kalsbeek (1911-)".
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