February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
Day of death May 21, 1975
The temperature on May 21, 1975 was between 6.6 °C and 13.6 °C and averaged 10.0 °C. There was 9.4 hours of sunshine (59%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) 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.
April 3 » Bobby Fischer refuses to play in a chess match against Anatoly Karpov, giving Karpov the title of World Champion by default.
May 10 » Sony introduces the Betamax videocassette recorder.
July 30 » Jimmy Hoffa disappears from the parking lot of the Machus Red Fox restaurant in Bloomfield Hills, Michigan, a suburb of Detroit, at about 2:30p.m. He is never seen or heard from again.
September 4 » The Sinai Interim Agreement relating to the Arab–Israeli conflict is signed.
September 30 » The AH-64 Apache makes its first flight. Eight years later, the first production model rolled out of the assembly line.
November 10 » The 729-foot-long freighter SSEdmund Fitzgerald sinks during a storm on Lake Superior, killing all 29 crew on board.
When copying data from this family tree, please include a reference to the origin: Marco van den Heuvel, "Naamonderzoek familie van den Heuvel", database, Genealogy Online (https://www.genealogieonline.nl/naamonderzoek-familie-van-den-heuvel/I50571.php : accessed June 4, 2024), "Paulina Johanna van den Heuvel (1897-1975)".
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