April 26 » Atlético Madrid Association football club is founded
June 16 » Roald Amundsen leaves Oslo, Norway, to commence the first east–west navigation of the Northwest Passage.
August 2 » The Ilinden–Preobrazhenie Uprising against the Ottoman Empire begins.
October 10 » The Women's Social and Political Union is founded in support of the enfranchisement of British women.
October 13 » The Boston Red Sox win the first modern World Series, defeating the Pittsburgh Pirates in the eighth game.
November 3 » With the encouragement of the United States, Panama separates from Colombia.
Day of marriage November 10, 1927
The temperature on November 10, 1927 was between 0.3 °C and 6.5 °C and averaged 3.1 °C. There was 6.7 mm of rain. There was 3.6 hours of sunshine (39%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
May 5 » To the Lighthouse by Virginia Woolf is first published.
May 18 » After being founded for 20 years, the Government of the Republic of China approves Tongji University to be among the first national universities of the Republic of China.
June 27 » Prime Minister of Japan Tanaka Giichi convenes an eleven-day conference to discuss Japan's strategy in China. The Tanaka Memorial, a forged plan for world domination, is later claimed to be a secret report leaked from this conference.
August 19 » Patriarch Sergius of Moscow proclaims the declaration of loyalty of the Russian Orthodox Church to the Soviet Union.
September 7 » The first fully electronic television system is achieved by Philo Farnsworth.
When copying data from this family tree, please include a reference to the origin: W. Rovers, "Family tree Ro(o)vers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_rovers/I10646.php : accessed February 15, 2026), "Joannes Jacobus van Keulen (1903-)".
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