April 14 » James Cash Penney opens his first store in Kemmerer, Wyoming.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
December 14 » The Commercial Pacific Cable Company lays the first Pacific telegraph cable, from San Francisco to Honolulu.
December 28 » The Syracuse Athletic Club defeated the New York Philadelphians, 5–0, in the first indoor professional football game, which was held at Madison Square Garden.
Day of death September 10, 1967
The temperature on September 10, 1967 was between 4.3 °C and 17.7 °C and averaged 11.3 °C. There was 0.1 mm of rain. There was 5.0 hours of sunshine (38%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 18 » Albert DeSalvo, the "Boston Strangler", is convicted of numerous crimes and is sentenced to life imprisonment.
February 13 » American researchers discover the Madrid Codices by Leonardo da Vinci in the National Library of Spain.
March 7 » The Majelis Permusyawaratan Rakyat Sementara (MPRS), Indonesia's provisional parliament, revoked Sukarno's mandate as President of Indonesia.
April 21 » A few days before the general election in Greece, Colonel George Papadopoulos leads a coup d'état, establishing a military regime that lasts for seven years.
June 2 » Protests in West Berlin against the arrival of the Shah of Iran turn into riots, during which Benno Ohnesorg is killed by a police officer. His death results in the founding of the terrorist group Movement 2 June.
September 20 » RMSQueen Elizabeth 2 is launched Clydebank, Scotland.
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/I166354.php : accessed December 26, 2025), "Jan Slof (1902-1967)".
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