June 4 » Henry Ford completes the Ford Quadricycle, his first gasoline-powered automobile, and gives it a successful test run.
June 28 » An explosion in the Newton Coal Company's Twin Shaft Mine in Pittston, Pennsylvania results in a massive cave-in that kills 58 miners.
July 28 » The city of Miami, Florida is incorporated.
August 17 » Bridget Driscoll became the first recorded case of a pedestrian killed in a collision with a motor car in the United Kingdom.
November 17 » The Western Pennsylvania Hockey League, which later became the first ice hockey league to openly trade and hire players, began play at Pittsburgh's Schenley Park Casino.
Day of death November 9, 1961
The temperature on November 9, 1961 was between 2.0 °C and 9.4 °C and averaged 6.5 °C. There was 0.4 hours of sunshine (4%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
March 1 » Uganda becomes self-governing and holds its first elections.
March 1 » United States President John F. Kennedy establishes the Peace Corps.
April 12 » Cold War: Space Race: The Soviet cosmonaut Yuri Gagarin becomes the first human to travel into outer space and perform the first manned orbital flight, Vostok 1.
May 4 » American civil rights movement: The "Freedom Riders" begin a bus trip through the South.
August 10 » Vietnam War: The U.S. Army begins Operation Ranch Hand, spraying an estimated 20million US gallons (76,000m) of defoliants and herbicides over rural areas of South Vietnam in an attempt to deprive the Viet Cong of food and vegetation cover.
September 16 » Typhoon Nancy, with possibly the strongest winds ever measured in a tropical cyclone, makes landfall in Osaka, Japan, killing 173 people.
When copying data from this family tree, please include a reference to the origin: R.H.M. Eeftink, "Family tree Eeftink", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eeftink/I150.php : accessed February 5, 2026), "Wilhelmina Theodora Koel (1896-1961)".
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