The temperature on June 25, 1963 was between 9.4 °C and 19.9 °C and averaged 14.7 °C. There was 9.1 mm of rain during 2.8 hours. There was 2.9 hours of sunshine (17%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
June 11 » Buddhist monk Thích Quảng Đức burns himself with gasoline in a busy Saigon intersection to protest the lack of religious freedom in South Vietnam.
June 11 » John F. Kennedy addresses Americans from the Oval Office proposing the Civil Rights Act of 1964, which would revolutionize American society by guaranteeing equal access to public facilities, ending segregation in education, and guaranteeing federal protection for voting rights.
June 17 » A day after South Vietnamese President Ngô Đình Diệm announced the Joint Communiqué to end the Buddhist crisis, a riot involving around 2,000 people breaks out. One person is killed.
July 19 » Joe Walker flies a North American X-15 to a record altitude of 106,010 meters (347,800 feet) on X-15 Flight 90. Exceeding an altitude of 100km, this flight qualifies as a human spaceflight under international convention.
August 31 » Crown Colony of North Borneo (now Sabah) achieves self governance.
September 7 » The Pro Football Hall of Fame opens in Canton, Ohio with 17 charter members.
When copying data from this family tree, please include a reference to the origin: Peter de Jong, "Pedigree of De Jong, Koelé families", database, Genealogy Online (https://www.genealogieonline.nl/de-jong-stamboom/I7944.php : accessed February 17, 2026), "Clasina van der Zwan (± 1878-1963)".
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