January 1 » Nigeria becomes a British protectorate.
May 3 » The Great Fire of 1901 begins in Jacksonville, Florida.
June 11 » The boundaries of the Colony of New Zealand are extended by the UK to include the Cook Islands.
June 17 » The College Board introduces its first standardized test, the forerunner to the SAT.
November 13 » The 1901 Caister lifeboat disaster.
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
Day of marriage December 18, 1929
The temperature on December 18, 1929 was between -2.6 °C and 5.3 °C and averaged 0.6 °C. There was 0.1 mm of rain. There was 6.2 hours of sunshine (80%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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.
April 6 » Huey P. Long, Governor of Louisiana, is impeached by the Louisiana House of Representatives.
May 1 » The 7.2 Mw Kopet Dag earthquake shakes the Iran–Turkmenistan border region with a maximum Mercalli intensity of IX (Violent), killing up to 3,800 and injuring 1,121.
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).
July 27 » The Geneva Convention of 1929, dealing with treatment of prisoners-of-war, is signed by 53 nations.
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.
Day of death July 3, 1963
The temperature on July 3, 1963 was between 8.1 °C and 23.3 °C and averaged 17.3 °C. There was 0.1 mm of rain. There was 11.5 hours of sunshine (69%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 22 » The Élysée Treaty of cooperation between France and Germany is signed by Charles de Gaulle and Konrad Adenauer.
February 5 » The European Court of Justice's ruling in Van Gend en Loos v Nederlandse Administratie der Belastingen establishes the principle of direct effect, one of the most important, if not the most important, decisions in the development of European Union law.
July 26 » The Organisation for Economic Co-operation and Development votes to admit Japan.
August 8 » The Zimbabwe African National Union (ZANU), the current ruling party of Zimbabwe, is formed by a split from the Zimbabwe African People's Union.
September 16 » Malaysia is formed from the Federation of Malaya, Singapore, North Borneo (Sabah) and Sarawak. However, Singapore soon leaves this new country.
December 14 » The dam containing the Baldwin Hills Reservoir bursts, killing five people and damaging hundreds of homes in Los Angeles, California.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I407019.php : accessed February 26, 2026), "Harm Boers (1901-1963)".
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