The temperature on June 10, 1947 was between 6.1 °C and 17.4 °C and averaged 12.5 °C. There was 14.3 hours of sunshine (86%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
April 9 » The Glazier–Higgins–Woodward tornadoes kill 181 and injure 970 in Texas, Oklahoma, and Kansas.
April 9 » The Journey of Reconciliation, the first interracial Freedom Ride begins through the upper South in violation of Jim Crow laws. The riders wanted enforcement of the United States Supreme Court's 1946 Irene Morgan decision that banned racial segregation in interstate travel.
June 23 » The United States Senate follows the United States House of Representatives in overriding U.S. President Harry S. Truman's veto of the Taft–Hartley Act.
October 1 » The North American F-86 Sabre flies for the first time.
November 29 » Partition Plan: The United Nations General Assembly approves a plan for the partition of Palestine.
December 17 » First flight of the Boeing B-47 Stratojet strategic bomber.
Day of marriage June 30, 1967
The temperature on June 30, 1967 was between 9.0 °C and 21.4 °C and averaged 16.5 °C. There was 10.9 hours of sunshine (65%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 18 » Albert DeSalvo, the "Boston Strangler", is convicted of numerous crimes and is sentenced to life imprisonment.
February 13 » American researchers discover the Madrid Codices by Leonardo da Vinci in the National Library of Spain.
April 9 » The first Boeing 737 (a 100 series) makes its maiden flight.
April 28 » Vietnam War: Boxer Muhammad Ali refuses his induction into the United States Army and is subsequently stripped of his championship and license.
October 10 » The Outer Space Treaty comes into force.
November 14 » American physicist Theodore Maiman is given a patent for his ruby laser systems, the world's first laser.
When copying data from this family tree, please include a reference to the origin: Gijsbertus Cornelis (Bert) Severijn, "Family tree Severijn", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-severijn/I11508.php : accessed February 20, 2026), "Mary Elizabeth Sullivan (1947-)".
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