The temperature on April 19, 1956 was between 0.3 °C and 9.8 °C and averaged 4.8 °C. There was 0.1 mm of rain. There was 7.5 hours of sunshine (53%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
January 3 » A fire damages the top part of the Eiffel Tower.
January 30 » African-American civil rights leader Martin Luther King, Jr.'s home is bombed in retaliation for the Montgomery Bus Boycott.
April 30 » Former Vice President and Democratic Senator Alben Barkley dies during a speech in Virginia.
May 1 » The polio vaccine developed by Jonas Salk is made available to the public.
June 30 » A TWA Super Constellation and a United Airlines DC-7 collide above the Grand Canyon in Arizona and crash, killing all 128 on board both airliners.
October 17 » Bobby Fischer defeats Donald Byrne in the chess Game of the Century.
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The Family tree Doppenberg publication was prepared by Henk Doppenberg (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Henk Doppenberg, "Family tree Doppenberg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-doppenberg/I16783.php : accessed January 22, 2026), "Aalt van Hierden (1954-1956)".
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