January 31 » Czechoslav Trade Union Association is founded in Prague.
February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
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.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
December 30 » The British Colony of Natal annexes Zululand.
Day of marriage September 12, 1929
The temperature on September 12, 1929 was between 8.3 °C and 26.2 °C and averaged 17.8 °C. There was 3.3 mm of rain. There was 8.2 hours of sunshine (63%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from March 8, 1926 to August 10, 1929 the cabinet De Geer I, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 11 » Kingdom of Italy and the Vatican sign the Lateran Treaty.
June 17 » The town of Murchison, New Zealand Is rocked by a 7.8 magnitude earthquake killing 17. At the time it was New Zealand's worst natural disaster.
August 11 » Babe Ruth becomes the first baseball player to hit 500 home runs in his career with a home run at League Park in Cleveland, Ohio.
August 23 » Hebron Massacre during the 1929 Palestine riots: Arab attack on the Jewish community in Hebron in the British Mandate of Palestine, continuing until the next day, resulted in the death of 65–68 Jews and the remaining Jews being forced to leave the city.
November 29 » U.S. Admiral Richard E. Byrd leads the first expedition to fly over the South Pole.
December 27 » Soviet General Secretary Joseph Stalin orders the "liquidation of the kulaks as a class".
Day of death April 14, 1956
The temperature on April 14, 1956 was between 5.2 °C and 7.2 °C and averaged 6.0 °C. There was 6.9 mm of rain during 8.9 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 30 » African-American civil rights leader Martin Luther King, Jr.'s home is bombed in retaliation for the Montgomery Bus Boycott.
February 20 » The United States Merchant Marine Academy becomes a permanent Service Academy.
May 1 » The polio vaccine developed by Jonas Salk is made available to the public.
July 13 » The Dartmouth workshop is the first conference on artificial intelligence.
October 30 » Hungarian Revolution: The government recognizes the new workers' councils. Army officer Béla Király leads an attack on the Communist Party headquarters.
November 2 » Hungarian Revolution: Imre Nagy requests UN aid for Hungary. Nikita Khrushchev meets with leaders of other Communist countries to seek their advice on the situation in Hungary, selecting János Kádár as the country's next leader on the advice of Josip Broz Tito.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I79618.php : accessed October 1, 2026), "Ymkje Westerhuis (1897-1956)".
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