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 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
July 26 » Anglo-Afghan War: The Pashtun fakir Saidullah leads an army of more than 10,000 to begin a siege of the British garrison in the Malakand Agency of the North West Frontier Province of India.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
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.
January 20 » The first full-length talking motion picture filmed outdoors, In Old Arizona, is released.
June 8 » Margaret Bondfield is appointed Minister of Labour. She is the first woman appointed to the Cabinet of the United Kingdom.
June 21 » An agreement brokered by U.S. Ambassador Dwight Whitney Morrow ends the Cristero War in Mexico.
August 24 » Second day of two-day Hebron massacre during the 1929 Palestine riots: Arab attacks on the Jewish community in Hebron in the British Mandate of Palestine, result in the death of 65–68 Jews; the remaining Jews are forced to flee the city.
October 3 » The Kingdom of Serbs, Croats and Slovenes is renamed to Yugoslavia by King Alexander I.
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.
March 1 » The International Air Transport Association finalizes a draft of the Radiotelephony spelling alphabet for the International Civil Aviation Organization.
April 26 » SSIdeal X, the world's first successful container ship, leaves Port Newark, New Jersey, for Houston, Texas.
June 20 » A Venezuelan Super-Constellation crashes in the Atlantic Ocean off Asbury Park, New Jersey, killing 74 people.
June 28 » in Poznań, workers from HCP factory go to the streets, sparking one of the first major protests against communist government both in Poland and Europe.
November 13 » The Supreme Court of the United States declares Alabama laws requiring segregated buses illegal, thus ending the Montgomery Bus Boycott.
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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