March 22 » Before the Société pour L'Encouragement à l'Industrie, brothers Auguste and Louis Lumière demonstrate movie film technology publicly for the first time.
April 3 » The trial in the libel case brought by Oscar Wilde begins, eventually resulting in his imprisonment on charges of homosexuality.
May 7 » In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector—a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
November 27 » At the Swedish–Norwegian Club in Paris, Alfred Nobel signs his last will and testament, setting aside his estate to establish the Nobel Prize after he dies.
November 28 » The first American automobile race takes place over the 54 miles from Chicago's Jackson Park to Evanston, Illinois. Frank Duryea wins in approximately 10 hours.
Day of death December 23, 1965
The temperature on December 23, 1965 was between 0.4 °C and 4.4 °C and averaged 3.1 °C. There was 9.5 mm of rain during 10.7 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
March 5 » March Intifada: A Leftist uprising erupts in Bahrain against British colonial presence.
April 6 » Launch of Early Bird, the first commercial communications satellite to be placed in geosynchronous orbit.
June 3 » The launch of Gemini 4, the first multi-day space mission by a NASA crew. Ed White, a crew member, performs the first American spacewalk.
July 30 » U.S. President Lyndon B. Johnson signs the Social Security Act of 1965 into law, establishing Medicare and Medicaid.
November 9 » A Catholic Worker Movement member, Roger Allen LaPorte, protesting against the Vietnam War, sets himself on fire in front of the United Nations building.
November 9 » Several U.S. states and parts of Canada are hit by a series of blackouts lasting up to 13 hours in the Northeast blackout of 1965.
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/I92044.php : accessed October 11, 2026), "Hendrik Seinhorst (1895-1965)".
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