April 20 » Pierre and Marie Curie refine radium chloride.
May 20 » Cuba gains independence from the United States. Tomás Estrada Palma becomes the country's first President.
November 21 » The Philadelphia Football Athletics defeated the Kanaweola Athletic Club of Elmira, New York, 39–0, in the first ever professional American football night game.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
December 28 » The Syracuse Athletic Club defeated the New York Philadelphians, 5–0, in the first indoor professional football game, which was held at Madison Square Garden.
Day of death April 1, 1972
The temperature on April 1, 1972 was between 8.2 °C and 10.0 °C and averaged 8.9 °C. There was 8.2 mm of rain during 10.4 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
January 30 » The Troubles: Bloody Sunday: British paratroopers open fire on anti-internment marchers in Derry, Northern Ireland, killing 13 people; another person later dies of injuries sustained.
February 28 » China–United States relations: The United States and China sign the Shanghai Communiqué.
March 1 » The Thai province of Yasothon is created after being split off from the Ubon Ratchathani Province.
July 21 » The Troubles: Bloody Friday: The Provisional IRA detonate 22 bombs in central Belfast, Northern Ireland, United Kingdom in the space of 80 minutes, killing nine and injuring 130.
October 11 » A race riot occurs on the United States Navy aircraft carrier Kitty Hawk off the coast of Vietnam.
December 26 » Vietnam War: As part of Operation Linebacker II, 120 American B-52 Stratofortress bombers attacked Hanoi, including 78 launched from Andersen Air Force Base in Guam, the largest single combat launch in Strategic Air Command history.
When copying data from this family tree, please include a reference to the origin: Wesley Brown, "The Brown Tree", database, Genealogy Online (https://www.genealogieonline.nl/the-brown-tree/P1818.php : accessed February 3, 2026), "Violet Joesephine HEFFERNAN (1902-)".
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