January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
June 2 » Guglielmo Marconi applies for a patent for his wireless telegraph.
August 16 » Skookum Jim Mason, George Carmack and Dawson Charlie discover gold in a tributary of the Klondike River in Canada, setting off the Klondike Gold Rush.
September 21 » Anglo-Egyptian conquest of Sudan: British forces under the command of Horatio Kitchener take Dongola.
November 17 » The Western Pennsylvania Hockey League, which later became the first ice hockey league to openly trade and hire players, began play at Pittsburgh's Schenley Park Casino.
December 10 » Alfred Jarry's Ubu Roi premieres in Paris. A riot breaks out at the end of the performance.
Day of death September 28, 1957
The temperature on September 28, 1957 was between 11.8 °C and 15.6 °C and averaged 13.5 °C. There was 1.1 hours of sunshine (9%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 1 » Lèse majesté in Thailand was strengthened to include "insult" and changed to a crime against national security, after Thai criminal code of 1956 went into effect.
April 6 » Greek shipping tycoon Aristotle Onassis buys the Hellenic National Airlines (TAE) and founds Olympic Airlines.
June 24 » In Roth v. United States, the U.S. Supreme Court rules that obscenity is not protected by the First Amendment.
September 25 » Central High School in Little Rock, Arkansas, is integrated by the use of United States Army troops.
October 29 » Israel's prime minister David Ben-Gurion and five of his ministers are injured when Moshe Dwek throws a grenade into Israel's Knesset.
November 8 » Operation Grapple X, Round C1: The United Kingdom conducts its first successful hydrogen bomb test over Kiritimati in the Pacific.
When copying data from this family tree, please include a reference to the origin: Wander Slomp, "Family tree Slomp", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-slomp/I182.php : accessed January 2, 2026), "Tijgje Kist (1896-1957)".
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