March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
June 21 » Boxer Rebellion. China formally declares war on the United States, Britain, Germany, France and Japan, as an edict issued from the Empress Dowager Cixi.
August 3 » The Firestone Tire and Rubber Company is founded.
October 25 » The United Kingdom annexes the Transvaal.
November 7 » Second Boer War: Battle of Leliefontein, a battle during which the Royal Canadian Dragoons win three Victoria Crosses.
Day of marriage June 19, 1920
The temperature on June 19, 1920 was between 9.2 °C and 24.5 °C and averaged 17.1 °C. There was 9.3 hours of sunshine (56%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 2 » The second Palmer Raid, ordered by the US Department of Justice, results in 6,000 suspected communists and anarchists being arrested and held without trial.
January 16 » Zeta Phi Beta Sorority Incorporated was founded on the campus of Howard University.
January 17 » Alcohol Prohibition begins in the United States as the Volstead Act goes into effect.
March 14 » In the second of the 1920 Schleswig plebiscites, about 80% of the population in Zone II votes to remain part of Weimar Germany.
May 29 » The Louth flood of 1920 was a severe flash flooding in the Lincolnshire market town of Louth which occurred 29 May 1920, resulting in 23 fatalities in 20 minutes. It has been described as one of the most significant flood disasters in Britain during the 20th century.
August 16 » Polish–Soviet War: The Battle of Radzymin concludes; the Soviet Red Army is forced to turn away from Warsaw.
Day of death July 16, 1972
The temperature on July 16, 1972 was between 15.2 °C and 25.2 °C and averaged 20.2 °C. There was 11.6 hours of sunshine (71%). The partly clouded 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.
February 15 » José María Velasco Ibarra, serving as President of Ecuador for the fifth time, is overthrown by the military for the fourth time.
February 22 » The Official Irish Republican Army detonates a car bomb at Aldershot barracks, killing seven and injuring nineteen others.
May 4 » The Don't Make A Wave Committee, a fledgling environmental organization founded in Canada in 1971, officially changes its name to "Greenpeace Foundation".
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.
September 9 » In Kentucky's Mammoth Cave National Park, a Cave Research Foundation exploration and mapping team discovers a link between the Mammoth and Flint Ridge cave systems, making it the longest known cave passageway in the world.
September 29 » China–Japan relations: Japan establishes diplomatic relations with the People's Republic of China after breaking official ties with the Republic of China.
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/I15243.php : accessed February 20, 2026), "Jan Slot (1900-1972)".
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