The temperature on May 10, 1968 was between 8.2 °C and 13.7 °C and averaged 10.8 °C. There was 9.9 mm of rain during 5.3 hours. There was 2.9 hours of sunshine (19%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 1 » The New York Central Railroad and the Pennsylvania Railroad are merged to form Penn Central Transportation.
March 21 » Battle of Karameh in Jordan between the Israel Defense Forces and the combined forces of the Jordanian Armed Forces and PLO.
July 1 » The Treaty on the Non-Proliferation of Nuclear Weapons is signed in Washington, D.C., London and Moscow by sixty-two countries.
September 6 » Swaziland becomes independent.
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).
December 25 » Kilvenmani massacre: Forty-four Dalits (untouchables) are burnt to death in Kizhavenmani village, Tamil Nadu, a retaliation for a campaign for higher wages by Dalit laborers.
When copying data from this family tree, please include a reference to the origin: Peter Van Ninhuijs, "Family tree Van Ninhuijs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-ninhuijs/I30457.php : accessed June 21, 2024), "lambertus helena (bert) theeuwen (1968-)".
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