January 4 » Utah is admitted as the 45th U.S. state.
May 18 » The United States Supreme Court rules in Plessy v. Ferguson that the "separate but equal" doctrine is constitutional.
June 2 » Guglielmo Marconi applies for a patent for his wireless telegraph.
June 4 » Henry Ford completes the Ford Quadricycle, his first gasoline-powered automobile, and gives it a successful test run.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
December 14 » The Glasgow Underground Railway is opened by the Glasgow District Subway Company.
Day of death April 11, 1968
The temperature on April 11, 1968 was between -0.9 °C and 8.6 °C and averaged 3.9 °C. There was 9.3 hours of sunshine (68%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 21 » Vietnam War: Battle of Khe Sanh: One of the most publicized and controversial battles of the war begins.
January 31 » Nauru gains independence from Australia.
June 5 » Presidential candidate Robert F. Kennedy is assassinated by Sirhan Sirhan.
December 21 » Apollo program: Apollo 8 is launched from the Kennedy Space Center, placing its crew on a lunar trajectory for the first visit to another celestial body by humans.
December 22 » Cultural Revolution: People's Daily posted the instructions of Mao Zedong that "The intellectual youth must go to the country, and will be educated from living in rural poverty."
December 27 » Apollo program: Apollo 8 splashes down in the Pacific Ocean, ending the first orbital manned mission to the Moon.
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/I132299.php : accessed October 13, 2026), "Halbe Zandstra (1896-1968)".
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