January 31 » Czechoslav Trade Union Association is founded in Prague.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
December 30 » The British Colony of Natal annexes Zululand.
Day of death November 12, 1956
The temperature on November 12, 1956 was between 1.9 °C and 9.8 °C and averaged 6.5 °C. There was 0.1 mm of rain. There was 0.6 hours of sunshine (7%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
May 20 » In Operation Redwing, the first United States airborne hydrogen bomb is dropped over Bikini Atoll in the Pacific Ocean.
July 9 » The 7.7 Mw Amorgos earthquake shakes the Cyclades island group in the Aegean Sea with a maximum Mercalli intensity of IX (Violent). The shaking and the destructive tsunami that followed left fifty-three people dead. A damaging M7.2 aftershock occurred minutes after the mainshock.
November 2 » Suez Crisis: Israel occupies the Gaza Strip.
November 4 » Soviet troops enter Hungary to end the Hungarian revolution against the Soviet Union that started on October 23. Thousands are killed, more are wounded, and nearly a quarter million leave the country.
November 22 » The Summer Olympics, officially known as the games of the XVI Olympiad, are opened in Melbourne, Australia.
December 9 » Trans-Canada Air Lines Flight 810, a Canadair North Star, crashes near Hope, British Columbia, Canada, killing all 62 people on board.
When copying data from this family tree, please include a reference to the origin: Hans Docter, "Family tree Docter", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-docter/I70.php : accessed January 26, 2026), "Hillechien Abbingh (1897-1956)".
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