February 9 » The Davis Cup competition is established.
February 27 » The British Labour Party is founded.
April 5 » Archaeologists in Knossos, Crete, discover a large cache of clay tablets with hieroglyphic writing in a script they call Linear B.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
July 19 » The first line of the Paris Métro opens for operation.
September 13 » Filipino insurgents defeat a small American column in the Battle of Pulang Lupa, during the Philippine–American War.
Day of death April 6, 1961
The temperature on April 6, 1961 was between 7.2 °C and 20.8 °C and averaged 14.3 °C. There was 0.3 mm of rain during 0.3 hours. There was 5.6 hours of sunshine (42%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 25 » 101 Dalmatians premiered from Walt Disney Productions.
February 4 » The Angolan War of Independence and the greater Portuguese Colonial War begin.
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.
April 30 » K-19, the first Soviet nuclear submarine equipped with nuclear missiles, is commissioned.
August 13 » Cold War: East Germany closes the border between the eastern and western sectors of Berlin to thwart its inhabitants' attempts to escape to the West, and construction of the Berlin Wall is started.
December 2 » In a nationally broadcast speech, Cuban leader Fidel Castro declares that he is a Marxist–Leninist and that Cuba is going to adopt Communism.
When copying data from this family tree, please include a reference to the origin: Jan van der Eijk, "Family tree Van der Eijk Van Busschbach Leegwater Stiemer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-der-eijk/I15095.php : accessed January 11, 2026), "Jan van der Pot (1900-1961)".
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