April 2 » Dmitry Sipyagin, Minister of Interior of the Russian Empire, is assassinated in the Marie Palace, Saint Petersburg.
April 14 » James Cash Penney opens his first store in Kemmerer, Wyoming.
April 20 » Pierre and Marie Curie refine radium chloride.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
August 22 » Cadillac Motor Company is founded.
November 21 » The Philadelphia Football Athletics defeated the Kanaweola Athletic Club of Elmira, New York, 39–0, in the first ever professional American football night game.
Day of death May 10, 1960
The temperature on May 10, 1960 was between 10.9 °C and 22.0 °C and averaged 16.4 °C. There was 10.5 hours of sunshine (68%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 6 » National Airlines Flight 2511 is destroyed in mid-air by a bomb, while en route from New York City to Miami.
March 5 » Indonesian President Sukarno dismissed the Dewan Perwakilan Rakyat (DPR), 1955 democratically elected parliament, and replaced with DPR-GR, the parliament of his own selected members.
July 1 » Independence of Somalia.
July 20 » The Polaris missile is successfully launched from a submarine, the USSGeorge Washington, for the first time.
September 22 » The Sudanese Republic is renamed Mali after the withdrawal of Senegal from the Mali Federation.
December 17 » Munich C-131 crash: Twenty passengers and crew on board as well as 32 people on the ground are killed.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I445779.php : accessed January 25, 2026), "Lammert Jan van de Vrugt (1902-1960)".
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