The temperature on August 23, 1911 was between 12.1 °C and 22.6 °C and averaged 17.2 °C. There was 0.3 mm of rain. There was 10.2 hours of sunshine (72%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 3 » A magnitude 7.7 earthquake destroys the city of Almaty in Russian Turkestan.
January 30 » The destroyer USSTerry makes the first airplane rescue at sea saving the life of Douglas McCurdy ten miles from Havana, Cuba.
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 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
August 29 » Ishi, considered the last Native American to make contact with European Americans, emerges from the wilderness of northeastern California.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
Day of death November 14, 1918
The temperature on November 14, 1918 was between 2.2 °C and 7.9 °C and averaged 5.6 °C. There was -0.1 hours of sunshine (0%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 31 » Daylight saving time goes into effect in the United States for the first time.
April 23 » World War I: The British Royal Navy makes a raid in an attempt to neutralise the Belgian port of Bruges-Zeebrugge.
June 8 » A solar eclipse is observed at Baker City, Oregon by scientists and an artist hired by the United States Navy.
July 4 » Bolsheviks kill Tsar Nicholas II of Russia and his family (Julian calendar date).
August 27 » Mexican Revolution: Battle of Ambos Nogales: U.S. Army forces skirmish against Mexican Carrancistas in the only battle of World War I fought on American soil.
December 16 » Vincas Mickevičius-Kapsukas declares the formation of the Lithuanian Soviet Socialist Republic; it is dissolved in 1919.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I9801.php : accessed February 16, 2026), "Grietje Kammenga (1911-1918)".
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