May 17 » The children's novel The Wonderful Wizard of Oz, by L. Frank Baum, is first published in the United States. The first copy is given to the author's sister.
May 29 » N'Djamena is founded as Fort-Lamy by the French commander Émile Gentil.
June 25 » The Taoist monk Wang Yuanlu discovers the Dunhuang manuscripts, a cache of ancient texts that are of great historical and religious significance, in the Mogao Caves of Dunhuang, China.
July 29 » In Italy, King Umberto I of Italy is assassinated by the anarchist Gaetano Bresci.
August 3 » The Firestone Tire and Rubber Company is founded.
August 16 » The Battle of Elands River during the Second Boer War ends after a 13-day siege is lifted by the British. The battle had begun when a force of between 2,000 and 3,000 Boers had surrounded a force of 500 Australians, Rhodesians, Canadians and British soldiers at a supply dump at Brakfontein Drift.
Day of death April 7, 1960
The temperature on April 7, 1960 was between 10.9 °C and 20.3 °C and averaged 14.8 °C. There was 3.6 mm of rain during 2.0 hours. There was 8.9 hours of sunshine (67%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the ??. Source: KNMI
April 8 » The Netherlands and West Germany sign an agreement to negotiate the return of German land annexed by the Dutch in return for 280million German marks as Wiedergutmachung.
May 1 » Cold War: U-2 incident: Francis Gary Powers, in a Lockheed U-2 spyplane, is shot down over the Sverdlovsk Oblast, Soviet Union, sparking a diplomatic crisis.
May 9 » The Food and Drug Administration announces it will approve birth control as an additional indication for Searle's Enovid, making Enovid the world's first approved oral contraceptive pill.
July 4 » Due to the post-Independence Day admission of Hawaii as the 50th U.S. state on August 21, 1959, the 50-star flag of the United States debuts in Philadelphia, almost ten and a half months later (see Flag Acts (United States)).
September 14 » The Organization of Petroleum Exporting Countries (OPEC) is founded.
October 1 » Nigeria gains independence from the United Kingdom.
When copying data from this family tree, please include a reference to the origin: Hans Dunning, "Family tree Dunning", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-dunning/R4489.php : accessed March 16, 2026), "Harm Jan Struik (1900-1960)".
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