April 25 » New York becomes the first U.S. state to require automobile license plates.
August 14 » The first claimed powered flight, by Gustave Whitehead in his Number 21.
August 28 » Silliman University is founded in the Philippines. It is the first American private school in the country.
September 17 » Second Boer War: A Boer column defeats a British force at the Battle of Blood River Poort.
November 8 » Gospel riots: Bloody clashes take place in Athens following the translation of the Gospels into demotic Greek.
November 27 » The U.S. Army War College is established.
Day of death April 1, 1975
The temperature on April 1, 1975 was between 1.4 °C and 8.1 °C and averaged 4.6 °C. There was -0.1 mm of rain. There was 2.8 hours of sunshine (22%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
April 4 » Microsoft is founded as a partnership between Bill Gates and Paul Allen in Albuquerque, New Mexico.
April 8 » Frank Robinson manages the Cleveland Indians in his first game as major league baseball's first African American manager.
April 13 » An attack by the Phalangist resistance kills 26 militia members of the Popular Front for the Liberation of Palestine, marking the start of the 15-year Lebanese Civil War.
April 19 » India's first satellite Aryabhata launched in orbit from Kapustin Yar, Russia.
August 27 » The Governor of Portuguese Timor abandons its capital, Dili, and flees to Atauro Island, leaving control to a rebel group.
September 28 » The Spaghetti House siege, in which nine people are taken hostage, takes place in London.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P5651.php : accessed January 15, 2026), "Dave Hennen Morris Jr. (1901-1975)".
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