The temperature on December 1, 1905 was between -2.1 °C and 0.8 °C and averaged -0.7 °C. There was 3.3 hours of sunshine (41%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
January 22 » Bloody Sunday in Saint Petersburg, beginning of the 1905 revolution.
January 26 » The world's largest diamond ever, the Cullinan weighing 3,106.75 carats (0.621350kg), is found at the Premier Mine near Pretoria in South Africa.
February 5 » In Mexico, the General Hospital of Mexico is inaugurated, started with four basic specialties.
June 30 » Albert Einstein sends the article On the Electrodynamics of Moving Bodies, in which he introduces special relativity, for publication in Annalen der Physik.
September 26 » Albert Einstein publishes the third of his Annus Mirabilis papers, introducing the special theory of relativity.
November 18 » Prince Carl of Denmark becomes King Haakon VII of Norway.
Day of marriage September 20, 1928
The temperature on September 20, 1928 was between 3.0 °C and 18.3 °C and averaged 10.0 °C. There was 9.6 hours of sunshine (77%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 1 » Boris Bazhanov defects through Iran. He is the only assistant of Joseph Stalin's secretariat to have defected from the Eastern Bloc.
January 7 » A disastrous flood of the River Thames kills 14 people and causes extensive damage to much of riverside London.
April 14 » The Bremen, a German Junkers W 33 type aircraft, reaches Greenly Island, Canada - the first successful transatlantic aeroplane flight from east to west.
June 8 » Second Northern Expedition: The National Revolutionary Army captures Peking, whose name is changed to Beijing ("Northern Capital").
June 18 » Aviator Amelia Earhart becomes the first woman to fly in an aircraft across the Atlantic Ocean (she is a passenger; Wilmer Stultz is the pilot and Lou Gordon the mechanic).
October 12 » An iron lung respirator is used for the first time at Children's Hospital, Boston.
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/I57583.php : accessed February 28, 2026), "Adolf Sinkgraven (1905-)".
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