The temperature on April 5, 1910 was between 2.5 °C and 13.9 °C and averaged 8.5 °C. There was 10.0 hours of sunshine (76%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
February 8 » The Boy Scouts of America is incorporated by William D. Boyce.
June 2 » Charles Rolls, a co-founder of Rolls-Royce Limited, becomes the first man to make a non-stop double crossing of the English Channel by plane.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
June 25 » Igor Stravinsky's ballet The Firebird is premiered in Paris, bringing him to prominence as a composer.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
December 3 » Modern neon lighting is first demonstrated by Georges Claude at the Paris Motor Show.
Day of marriage October 22, 1942
The temperature on October 22, 1942 was between 6.4 °C and 14.2 °C and averaged 12.0 °C. There was 4.8 mm of rain during 7.5 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 1 » The Declaration by United Nations is signed by twenty-six nations.
January 25 » World War II: Thailand declares war on the United States and United Kingdom.
May 12 » World War II: The U.S. tanker SS Virginia is torpedoed in the mouth of the Mississippi River by the German submarineU-507.
August 7 » World War II: The Battle of Guadalcanal begins as the United States Marines initiate the first American offensive of the war with landings on Guadalcanal and Tulagi in the Solomon Islands.
August 17 » World War II: U.S. Marines raid the Japanese-held Pacific island of Makin.
October 3 » A German V-2 rocket reaches a record 85 km (46 nm) in altitude.
Day of death March 15, 1971
The temperature on March 15, 1971 was between 2.0 °C and 9.4 °C and averaged 6.0 °C. There was 1.3 mm of rain during 3.2 hours. There was 6.6 hours of sunshine (56%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 21 » The current Emley Moor transmitting station, the tallest free-standing structure in the United Kingdom, begins transmitting UHF broadcasts.
February 9 » The 6.5–6.7 Mw Sylmar earthquake hits the Greater Los Angeles Area with a maximum Mercalli intensity of XI (Extreme), killing 64 and injuring 2,000.
April 23 » Bangladesh Liberation War: The Pakistan Army and Razakars massacre approximately 3,000 Hindu emigrants in the Jathibhanga area of East Pakistan (now Bangladesh).
October 12 » The 2,500 year celebration of the Persian Empire begins.
November 22 » In Britain's worst mountaineering tragedy, the Cairngorm Plateau Disaster, five children and one of their leaders are found dead from exposure in the Scottish mountains.
November 28 » Wasfi al-Tal, Prime Minister of Jordan, is assassinated by the Black September unit of the Palestine Liberation Organization.
When copying data from this family tree, please include a reference to the origin: Wicher Dam, "Dambomen, negen verschillende stambomen DAM", database, Genealogy Online (https://www.genealogieonline.nl/dambomen/I22592.php : accessed January 14, 2026), "Jan Ritsema (1910-1971)".
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