January 28 » Walter Arnold of East Peckham, Kent, becomes the first person to be convicted of speeding. He was fined one shilling, plus costs, for speeding at 8mph (13km/h), thereby exceeding the contemporary speed limit of 2mph (3.2km/h).
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 28 » An explosion in the Newton Coal Company's Twin Shaft Mine in Pittston, Pennsylvania results in a massive cave-in that kills 58 miners.
September 21 » Anglo-Egyptian conquest of Sudan: British forces under the command of Horatio Kitchener take Dongola.
December 30 » Filipino patriot and reform advocate José Rizal is executed by a Spanish firing squad in Manila.
Day of death June 22, 1968
The temperature on June 22, 1968 was between 11.2 °C and 17.5 °C and averaged 14.8 °C. There was 0.9 hours of sunshine (5%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 5 » Alexander Dubček comes to power in Czechoslovakia, effectively beginning the "Prague Spring".
February 1 » The New York Central Railroad and the Pennsylvania Railroad are merged to form Penn Central Transportation.
June 9 » U.S. President Lyndon B. Johnson declares a national day of mourning following the assassination of Senator Robert F. Kennedy.
July 1 » The United States Central Intelligence Agency's Phoenix Program is officially established.
July 17 » Abdul Rahman Arif is overthrown and the Ba'ath Party is installed as the governing power in Iraq with Ahmed Hassan al-Bakr as the new Iraqi President.
December 9 » Douglas Engelbart gave what became known as "The Mother of All Demos", publicly debuting the computer mouse, hypertext, and the bit-mapped graphical user interface using the oN-Line System (NLS).
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/I108689.php : accessed October 17, 2026), "Jelle van der Zwaag (1896-1968)".
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