February 9 » The Davis Cup competition is established.
February 27 » The British Labour Party is founded.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
June 14 » The second German Naval Law calls for the Imperial German Navy to be doubled in size, resulting in an Anglo-German naval arms race.
July 19 » The first line of the Paris Métro opens for operation.
Day of death March 15, 1975
The temperature on March 15, 1975 was between 2.4 °C and 6.1 °C and averaged 4.4 °C. There was 8.6 mm of rain during 14.5 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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.
January 15 » The Alvor Agreement is signed, ending the Angolan War of Independence and giving Angola independence from Portugal.
April 2 » Vietnam War: Thousands of civilian refugees flee from Quảng Ngãi Province in front of advancing North Vietnamese troops.
June 29 » Steve Wozniak tested his first prototype of Apple I computer.
August 20 » Viking program: NASA launches the Viking 1 planetary probe toward Mars.
September 8 » Gays in the military: US Air Force Tech Sergeant Leonard Matlovich, a decorated veteran of the Vietnam War, appears in his Air Force uniform on the cover of Time magazine with the headline "I Am A Homosexual". He is given a general discharge, later upgraded to honorable.
October 1 » Muhammad Ali defeats Joe Frazier in a boxing match in Manila, Philippines.
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/P17975.php : accessed March 7, 2026), "Aristotle Socrates Onassis (1900-1975)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.