March 2 » United States Steel Corporation is founded as a result of a merger between Carnegie Steel Company and Federal Steel Company which became the first corporation in the world with a market capital over $1 billion.
June 11 » The boundaries of the Colony of New Zealand are extended by the UK to include the Cook Islands.
June 17 » The College Board introduces its first standardized test, the forerunner to the SAT.
September 17 » Second Boer War: A Boer column defeats a British force at the Battle of Blood River Poort.
September 17 » Second Boer War: Boers capture a squadron of the 17th Lancers at the Battle of Elands River.
Day of death March 31, 1985
The temperature on March 31, 1985 was between 8.8 °C and 13.6 °C and averaged 10.1 °C. There was 8.6 mm of rain during 8.0 hours. There was 3.7 hours of sunshine (29%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 5 » Ugo Vetere, then the mayor of Rome, and Chedli Klibi, then the mayor of Carthage meet in Tunis to sign a treaty of friendship officially ending the Third Punic War which lasted 2,131 years.
March 4 » The Food and Drug Administration approves a blood test for HIV infection, used since then for screening all blood donations in the United States.
July 7 » Boris Becker becomes the youngest player ever to win Wimbledon at age 17.
August 2 » Delta Air Lines Flight 191, a Lockheed L-1011 TriStar, crashes at Dallas/Fort Worth International Airport killing 137.
September 19 » Tipper Gore and other political wives form the Parents Music Resource Center as Frank Zappa and other musicians testify at U.S. Congressional hearings on obscenity in rock music.
November 6 » In Colombia, leftist guerrillas of the 19th of April Movement seize control of the Palace of Justice in Bogotá.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I29549.php : accessed December 26, 2025), "Maria Theresia de Cock (1901-1985)".
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