January 30 » The first Anglo-Japanese Alliance is signed in London.
April 20 » Pierre and Marie Curie refine radium chloride.
May 20 » Cuba gains independence from the United States. Tomás Estrada Palma becomes the country's first President.
June 28 » The U.S. Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.
August 22 » Cadillac Motor Company is founded.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
Day of death September 13, 1969
The temperature on September 13, 1969 was between 13.5 °C and 26.4 °C and averaged 18.7 °C. There was 9.8 hours of sunshine (76%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
April 3 » Vietnam War: United States Secretary of Defense Melvin Laird announces that the United States will start to "Vietnamize" the war effort.
May 18 » Apollo program: Apollo 10 is launched.
June 23 » Warren E. Burger is sworn in as Chief Justice of the United States Supreme Court by retiring Chief Justice Earl Warren.
June 28 » Stonewall riots begin in New York City, marking the start of the Gay Rights Movement.
July 16 » Apollo program: Apollo 11, the first mission to land astronauts on the Moon, is launched from the Kennedy Space Center at Cape Kennedy, Florida.
November 14 » Apollo program: NASA launches Apollo 12, the second crewed mission to the surface of the Moon.
When copying data from this family tree, please include a reference to the origin: Van Traa, "Family tree Van Traa", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-traa/I979.php : accessed February 24, 2026), "Thade Semeyns de Vries van Doesburgh (1902-1969)".
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