The temperature on May 6, 1963 was between 2.1 °C and 12.6 °C and averaged 8.6 °C. There was 9.3 hours of sunshine (61%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 22 » The Élysée Treaty of cooperation between France and Germany is signed by Charles de Gaulle and Konrad Adenauer.
March 21 » Alcatraz Federal Penitentiary (in California) closes.
May 15 » Project Mercury: The launch of the final Mercury mission, Mercury-Atlas 9 with astronaut Gordon Cooper on board. He becomes the first American to spend more than a day in space, and the last American to go into space alone.
May 25 » The Organisation of African Unity is established in Addis Ababa, Ethiopia.
November 29 » Trans-Canada Air Lines Flight 831 crashes shortly after takeoff from Montreal-Dorval International Airport, killing all 118 people on board.
December 10 » An assassination attempt on the British High Commissioner in Aden kills two people and wounds dozens more.
When copying data from this family tree, please include a reference to the origin: Eva Drenth, "Family tree Diverse", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-drenth/I7248.php : accessed January 29, 2026), "Jacoba Gerarda Catharina Maria Sijkens (> 1924-1963)".
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