The temperature on February 1, 1929 was between -2.1 °C and 1.6 °C and averaged 0.1 °C. There was 0.3 hours of sunshine (3%). The average windspeed was 6 Bft (strong wind) and was prevailing from the south east. 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 26 » President Calvin Coolidge signs an executive order establishing the 96,000 acre Grand Teton National Park in Wyoming.
June 7 » The Lateran Treaty is ratified, bringing Vatican City into existence.
July 24 » The Kellogg–Briand Pact, renouncing war as an instrument of foreign policy, goes into effect (it is first signed in Paris on August 27, 1928, by most leading world powers).
November 7 » In New York City, the Museum of Modern Art opens to the public.
December 3 » President Herbert Hoover delivers his first State of the Union message to Congress. It was presented in the form of a written message rather than a speech.
Day of marriage September 3, 1962
The temperature on September 3, 1962 was between 11.4 °C and 27.0 °C and averaged 18.6 °C. There was 7.6 hours of sunshine (56%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 3 » Pope John XXIII excommunicates Fidel Castro.
March 18 » The Évian Accords end the Algerian War of Independence, which had begun in 1954.
July 23 » The International Agreement on the Neutrality of Laos is signed.
October 8 » Der Spiegel publishes an article disclosing the sorry state of the Bundeswehr, and is soon accused of treason.
October 27 » By refusing to agree to the firing of a nuclear torpedo at a US warship, Vasily Arkhipov averts nuclear war.
December 9 » The Petrified Forest National Park is established in Arizona.
Day of death February 2, 1975
The temperature on February 2, 1975 was between 5.3 °C and 12.0 °C and averaged 8.0 °C. There was -0.1 mm of rain. There was 3.9 hours of sunshine (43%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
April 9 » The first game of the Philippine Basketball Association, the second oldest professional basketball league in the world.
April 29 » Vietnam War: Operation Frequent Wind: The U.S. begins to evacuate U.S. citizens from Saigon before an expected North Vietnamese takeover. U.S. involvement in the war comes to an end.
July 5 » Arthur Ashe becomes the first black man to win the Wimbledon singles title.
October 10 » Papua New Guinea joins the United Nations.
October 16 » The Australian Coalition sparks a constitutional crisis when they vote to defer funding for the government's annual budget.
October 30 » Prince Juan Carlos I of Spain becomes acting head of state, taking over for the country's ailing dictator, Gen. Francisco Franco.
When copying data from this family tree, please include a reference to the origin: Michiel van Loon, "Family tree Van Loon", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-loon/I12.php : accessed February 4, 2026), "Hendrik van der Ploeg (1929-1975)".
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