January 13 » First Italo-Ethiopian War: the war's opening battle, the Battle of Coatit, occurs; it is an Italian victory.
February 1 » Fountains Valley, Pretoria, the oldest nature reserve in Africa, is proclaimed by President Paul Kruger.
April 8 » In Pollock v. Farmers' Loan & Trust Co. the Supreme Court of the United States declares unapportioned income tax to be unconstitutional.
May 7 » In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector—a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
May 25 » Playwright, poet and novelist Oscar Wilde is convicted of "committing acts of gross indecency with other male persons" and sentenced to serve two years in prison.
September 18 » The Atlanta Exposition Speech on race relations is delivered by Booker T. Washington.
Day of death February 13, 1967
The temperature on February 13, 1967 was between -3.0 °C and 1.0 °C and averaged -1.5 °C. There was 3.5 hours of sunshine (36%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
May 17 » Six-Day War: President Gamal Abdel Nasser of Egypt demands dismantling of the peace-keeping UN Emergency Force in Egypt.
May 27 » The U.S. Navy aircraft carrier USSJohn F. Kennedy is launched by Jacqueline Kennedy and her daughter Caroline.
September 3 » Dagen H in Sweden: Traffic changes from driving on the left to driving on the right overnight.
September 11 » China's People's Liberation Army (PLA) launched an attack on Indian posts at Nathu La, Sikkim, India, which resulted a military clashes.
October 8 » Guerrilla leader Che Guevara and his men are captured in Bolivia.
October 9 » A day after his capture, Ernesto "Che" Guevara is executed for attempting to incite a revolution in Bolivia.
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/I26899.php : accessed March 4, 2026), "Leonardus "Leen" van Warmerdam (1895-1967)".
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