January 17 » El Yunque National Forest in Puerto Rico becomes part of the United States National Forest System as the Luquillo Forest Reserve.
June 11 » A group of Serbian officers stormed the royal palace and assassinated King Alexander Obrenović and his wife, Queen Draga.
June 16 » Roald Amundsen leaves Oslo, Norway, to commence the first east–west navigation of the Northwest Passage.
August 18 » German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.
September 27 » The Wreck of the Old 97, an American rail disaster that became the subject of a popular ballad.
October 10 » The Women's Social and Political Union is founded in support of the enfranchisement of British women.
Day of marriage December 26, 1927
The temperature on December 26, 1927 was between -0.5 °C and 2.8 °C and averaged 0.7 °C. There was 8.0 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the northeast. Source: KNMI
April 12 » Rocksprings, Texas was hit by an F5 tornado that destroyed 235 of the 247 buildings in the town and killed 72 townspeople and injured 205; third deadliest tornado in Texas history.
June 13 » Aviator Charles Lindbergh receives a ticker tape parade down 5th Avenue in New York City.
August 1 » The Nanchang Uprising marks the first significant battle in the Chinese Civil War between the Kuomintang and Chinese Communist Party. This day is commemorated as the anniversary of the founding of the People's Liberation Army.
September 22 » Jack Dempsey loses the "Long Count" boxing match to Gene Tunney.
December 19 » Three Indian revolutionaries, Ram Prasad Bismil, Roshan Singh and Ashfaqulla Khan, are executed by the British Raj for participation in the Kakori conspiracy.
December 30 » The Ginza Line, the first subway line in Asia, opens in Tokyo, Japan.
Day of death August 27, 1970
The temperature on August 27, 1970 was between 10.0 °C and 24.1 °C and averaged 16.7 °C. There was 11.8 hours of sunshine (84%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
February 11 » Japan launches Ohsumi, becoming the fourth nation to put an object into orbit using its own booster.
April 12 » Soviet submarine K-8, carrying four nuclear torpedoes, sinks in the Bay of Biscay four days after a fire on board.
May 4 » Vietnam War: Kent State shootings: The Ohio National Guard, sent to Kent State University after disturbances in the city of Kent the weekend before, opens fire killing four unarmed students and wounding nine others. The students were protesting the Cambodian Campaign of the United States and South Vietnam.
August 7 » California judge Harold Haley is taken hostage in his courtroom and killed during an effort to free George Jackson from police custody.
September 5 » Jochen Rindt becomes the only driver to posthumously win the Formula One World Drivers' Championship (in 1970), after being killed in practice for the Italian Grand Prix.
December 15 » Soviet spacecraft Venera 7 successfully lands on Venus. It is the first successful soft landing on another planet.
When copying data from this family tree, please include a reference to the origin: Hans Jansen, "Stambomen Hans Sentis", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-sentis/I7337.php : accessed February 28, 2026), "Simon Jacobus Gerardus van Leeuwen (1903-1970)".
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