January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
April 2 » Dmitry Sipyagin, Minister of Interior of the Russian Empire, is assassinated in the Marie Palace, Saint Petersburg.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
April 20 » Pierre and Marie Curie refine radium chloride.
May 8 » In Martinique, Mount Pelée erupts, destroying the town of Saint-Pierre and killing over 30,000 people. Only a handful of residents survive the blast.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
Day of marriage July 30, 1929
The temperature on July 30, 1929 was between 13.5 °C and 20.2 °C and averaged 16.5 °C. There was 4.7 hours of sunshine (30%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. 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 17 » Popeye the Sailor Man, a cartoon character created by E. C. Segar, first appears in the Thimble Theatre comic strip.
February 21 » In the first battle of the Warlord Rebellion in northeastern Shandong against the Nationalist government of China, a 24,000-strong rebel force led by Zhang Zongchang was defeated at Zhifu by 7,000 NRA troops.
May 15 » A fire at the Cleveland Clinic in Cleveland, Ohio kills 123.
June 7 » The Lateran Treaty is ratified, bringing Vatican City into existence.
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.
December 24 » A four alarm fire breaks out in the West Wing of the White House in Washington, D.C.
Day of death February 19, 1972
The temperature on February 19, 1972 was between 0.7 °C and 2.7 °C and averaged 1.9 °C. There was -0.1 mm of rain. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
January 11 » East Pakistan renames itself Bangladesh.
February 18 » The California Supreme Court in the case of People v. Anderson, (6 Cal.3d 628) invalidates the state's death penalty and commutes the sentences of all death row inmates to life imprisonment.
March 1 » The Thai province of Yasothon is created after being split off from the Ubon Ratchathani Province.
July 19 » Dhofar Rebellion: British SAS units help the Omani government against Popular Front for the Liberation of Oman rebels in the Battle of Mirbat.
November 7 » US President Richard Nixon is re-elected President.
December 7 » Apollo 17, the last Apollo moon mission, is launched. The crew takes the photograph known as The Blue Marble as they leave the Earth.
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/I134158.php : accessed December 27, 2025), "Henderikus Ploegh (1902-1972)".
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