The temperature on July 29, 1905 was between 10.5 °C and 22.4 °C and averaged 17.5 °C. There was 10.7 hours of sunshine (68%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
April 17 » The Supreme Court of the United States decides Lochner v. New York, which holds that the "right to free contract" is implicit in the due process clause of the Fourteenth Amendment to the United States Constitution.
May 15 » Las Vegas is founded when 110 acres (0.45km), in what later would become downtown, are auctioned off.
June 30 » Albert Einstein sends the article On the Electrodynamics of Moving Bodies, in which he introduces special relativity, for publication in Annalen der Physik.
November 12 » Norway holds a referendum resulting in popular approval of the Storting's decision to authorise the government to make the offer of the throne of the newly independent country.
November 25 » Prince Carl of Denmark arrives in Norway to become King Haakon VII of Norway.
December 11 » A workers' uprising occurs in Kiev, Ukraine (then part of the Russian Empire), and establishes the Shuliavka Republic.
Day of marriage May 16, 1929
The temperature on May 16, 1929 was between 3.6 °C and 17.7 °C and averaged 10.5 °C. There was 11.3 hours of sunshine (72%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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.
June 21 » An agreement brokered by U.S. Ambassador Dwight Whitney Morrow ends the Cristero War in Mexico.
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).
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.
September 24 » Jimmy Doolittle performs the first flight without a window, proving that full instrument flying from take off to landing is possible.
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.
December 24 » A four alarm fire breaks out in the West Wing of the White House in Washington, D.C.
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/I111721.php : accessed January 10, 2026), "Jan Koopmans (1905-)".
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