The temperature on June 17, 1961 was between 13.6 °C and 21.2 °C and averaged 17.4 °C. There was 8.4 hours of sunshine (50%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
April 9 » The Pacific Electric Railway in Los Angeles, once the largest electric railway in the world, ends operations.
May 16 » Park Chung-hee leads a coup d'état to overthrow the Second Republic of South Korea.
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.
May 31 » The South African Constitution of 1961 becomes effective, thus creating the Republic of South Africa, which remains outside the Commonwealth of Nations until 1 June 1994, when South Africa is returned to Commonwealth membership.
October 31 » In the Soviet Union, Joseph Stalin's body is removed from the Lenin's Mausoleum, also known as the Lenin Tomb.
December 17 » Niterói circus fire: Fire breaks out during a performance by the Gran Circus Norte-Americano in the city of Niterói, Rio de Janeiro, Brazil, killing more than 500.
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The Family tree Dijkstra publication was prepared by wijlen Jelke Dijkstra (as indicated in the digital, genealogical legacy, this publication remains online, contact is not possible).
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