The temperature on May 8, 1907 was between 6.5 °C and 20.7 °C and averaged 13.7 °C. There was 4.1 mm of rain. There was 7.2 hours of sunshine (47%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
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.
July 21 » The passenger steamer SS Columbia sinks after colliding with the steam schooner San Pedro off Shelter Cove, California, killing 88 people.
August 1 » The start of the first Scout camp on Brownsea Island, the origin of the worldwide Scouting movement.
September 7 » Cunard Line's RMSLusitania sets sail on her maiden voyage from Liverpool, England, to New York City.
September 26 » Four months after the 1907 Imperial Conference, New Zealand and Newfoundland are promoted from colonies to dominions within the British Empire.
December 19 » Two hundred thirty-nine coal miners die in the Darr Mine Disaster in Jacobs Creek, Pennsylvania.
December 21 » The Chilean Army commits a massacre of at least 2,000 striking saltpeter miners in Iquique, Chile.
Day of marriage August 21, 1931
The temperature on August 21, 1931 was between 12.3 °C and 17.6 °C and averaged 14.5 °C. There was 4.8 mm of rain during 3.0 hours. There was 1.8 hours of sunshine (13%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-southwest. Source: KNMI
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.
February 3 » The Hawke's Bay earthquake, New Zealand's worst natural disaster, kills 258.
March 5 » The British Raj: Gandhi–Irwin Pact is signed.
March 15 » SSViking explodes off Newfoundland, killing 27 of the 147 on board.
March 19 » Gambling is legalized in Nevada.
October 21 » A secret society in the Imperial Japanese Army launches an abortive coup d'état attempt.
December 5 » Cathedral of Christ the Saviour in Moscow was destroyed on orders from Joseph Stalin.
Day of death August 20, 1964
The temperature on August 20, 1964 was between 6.9 °C and 17.3 °C and averaged 12.4 °C. There was 1.5 mm of rain during 1.7 hours. There was 5.2 hours of sunshine (36%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 11 » Surgeon General of the United States Dr. Luther Terry, M.D., publishes the landmark report Smoking and Health: Report of the Advisory Committee to the Surgeon General of the United States saying that smoking may be hazardous to health, sparking national and worldwide anti-smoking efforts.
March 6 » Constantine II becomes King of Greece.
March 19 » Over 500,000 Brazilians attend the March of the Family with God for Liberty, in protest against the government of João Goulart and against communism.
May 2 » Vietnam War: An explosion sinks the American aircraft carrier USNS Card while it is docked at Saigon. Two Viet Cong combat swimmers had placed explosives on the ship's hull. She is raised and returned to service less than seven months later.
May 29 » The Arab League meets in East Jerusalem to discuss the Palestinian question, leading to the formation of the Palestine Liberation Organization.
June 12 » Anti-apartheid activist and ANC leader Nelson Mandela is sentenced to life in prison for sabotage in South Africa.
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/I20771.php : accessed February 18, 2026), "Henderikus Ritskes (1907-1964)".
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