January 17 » El Yunque National Forest in Puerto Rico becomes part of the United States National Forest System as the Luquillo Forest Reserve.
February 11 » Anton Bruckner's 9th Symphony receives its first performance in Vienna, Austria.
June 11 » A group of Serbian officers stormed the royal palace and assassinated King Alexander Obrenović and his wife, Queen Draga.
July 1 » Start of first Tour de France bicycle race.
August 18 » German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.
October 6 » The High Court of Australia sits for the first time.
Day of death June 18, 1961
The temperature on June 18, 1961 was between 8.7 °C and 17.2 °C and averaged 14.8 °C. There was 1.8 mm of rain during 4.1 hours. There was -0.1 hours of sunshine (0%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 31 » Project Mercury: Mercury-Redstone 2: Ham the Chimp travels into outer space.
February 4 » The Angolan War of Independence and the greater Portuguese Colonial War begin.
February 16 » Explorer program: Explorer 9 (S-56a) is launched.
April 12 » Cold War: Space Race: The Soviet cosmonaut Yuri Gagarin becomes the first human to travel into outer space and perform the first manned orbital flight, Vostok 1.
September 1 » The Eritrean War of Independence officially begins with the shooting of Ethiopian police by Hamid Idris Awate.
November 12 » Terry Jo Duperrault is the sole survivor of a series of brutal murders aboard the Ketch Bluebelle.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I136735.php : accessed December 28, 2025), "Goitzen Dijk (1903-1961)".
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