February 23 » Cuba leases Guantánamo Bay to the United States "in perpetuity".
April 26 » Atlético Madrid Association football club is founded
June 19 » Benito Mussolini, at the time a radical Socialist, is arrested by Bern police for advocating a violent general strike.
July 19 » Maurice Garin wins the first Tour de France.
July 23 » The Ford Motor Company sells its first car.
November 17 » The Russian Social Democratic Labour Party splits into two groups: The Bolsheviks (Russian for "majority") and Mensheviks (Russian for "minority").
Day of marriage May 25, 1928
The temperature on May 25, 1928 was between 4.5 °C and 14.7 °C and averaged 9.1 °C. There was 0.2 mm of rain. There was 1.6 hours of sunshine (10%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
January 1 » Boris Bazhanov defects through Iran. He is the only assistant of Joseph Stalin's secretariat to have defected from the Eastern Bloc.
June 4 » The President of the Republic of China, Zhang Zuolin, is assassinated by Japanese agents.
June 9 » Charles Kingsford Smith completes the first trans-Pacific flight in a Fokker Trimotor monoplane, the Southern Cross.
July 7 » Sliced bread is sold for the first time (on the inventor's 48th birthday) by the Chillicothe Baking Company of Chillicothe, Missouri.
September 18 » Juan de la Cierva makes the first autogyro crossing of the English Channel.
October 12 » An iron lung respirator is used for the first time at Children's Hospital, Boston.
Day of death August 9, 1935
The temperature on August 9, 1935 was between 15.3 °C and 23.8 °C and averaged 18.6 °C. There was 2.2 mm of rain during 0.8 hours. There was 2.6 hours of sunshine (17%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Marina Bock, "Family tree Bock", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-bock/I176.php : accessed January 7, 2026), "Jan Bock (1903-1935)".
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