June 2 » Guglielmo Marconi applies for a patent for his wireless telegraph.
June 4 » Henry Ford completes the Ford Quadricycle, his first gasoline-powered automobile, and gives it a successful test run.
July 28 » The city of Miami, Florida is incorporated.
August 16 » Skookum Jim Mason, George Carmack and Dawson Charlie discover gold in a tributary of the Klondike River in Canada, setting off the Klondike Gold Rush.
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.
December 17 » Pittsburgh, Pennsylvania's Schenley Park Casino, which was the first multi-purpose arena with the technology to create an artificial ice surface in North America, is destroyed in a fire.
Day of death June 15, 1961
The temperature on June 15, 1961 was between 2.1 °C and 19.0 °C and averaged 12.2 °C. There was 12.0 hours of sunshine (72%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the ??. Source: KNMI
January 26 » John F. Kennedy appoints Janet G. Travell to be the first woman Physician to the President.
April 9 » The Pacific Electric Railway in Los Angeles, once the largest electric railway in the world, ends operations.
May 25 » Apollo program: U.S. President John F. Kennedy announces, before a special joint session of the U.S. Congress, his goal to initiate a project to put a "man on the Moon" before the end of the decade.
September 16 » Typhoon Nancy, with possibly the strongest winds ever measured in a tropical cyclone, makes landfall in Osaka, Japan, killing 173 people.
September 17 » The world's first retractable roof stadium, the Civic Arena, opens in Pittsburgh, Pennsylvania.
September 18 » U.N. Secretary-General Dag Hammarskjöld dies in an air crash while attempting to negotiate peace in the Katanga region of the Democratic Republic of the Congo.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I133711.php : accessed December 31, 2025), "Marinus Anthonij de Baan (1896-1961)".
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