The temperature on October 6, 1911 was between 3.1 °C and 16.4 °C and averaged 9.6 °C. There was 7.5 hours of sunshine (66%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. 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.
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
November 5 » After declaring war on the Ottoman Empire on September 29, 1911, Italy annexes Tripoli and Cyrenaica.
Day of death December 24, 1941
The temperature on December 24, 1941 was between 7.9 °C and 10.0 °C and averaged 8.8 °C. The average windspeed was 5 Bft (very strong wind) and was prevailing from the west. 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.
April 6 » World War II: Nazi Germany launches Operation 25 (the invasion of Kingdom of Yugoslavia) and Operation Marita (the invasion of Greece).
May 9 » World War II: The German submarine U-110 is captured by the Royal Navy. On board is the latest Enigma machine which Allied cryptographers later use to break coded German messages.
June 14 » June deportation: the first major wave of Soviet mass deportations and murder of Estonians, Latvians and Lithuanians, begins.
June 27 » World War II: German troops capture the city of Białystok during Operation Barbarossa.
July 26 » World War II: In response to the Japanese occupation of French Indochina, the United States, Britain and the Netherlands freeze all Japanese assets and cut off oil shipments.
November 13 » World War II: The aircraft carrier HMSArk Royal is torpedoed by U-81, sinking the following day.
When copying data from this family tree, please include a reference to the origin: H. Panjer, "Family tree Panjer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_panjer/I1477.php : accessed January 6, 2026), "Willemtje Kamminga (± 1893-1941)".
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