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.
May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
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.
December 6 » London becomes the world's first city to host licensed taxicabs.
Day of death February 9, 1972
The temperature on February 9, 1972 was between -1.2 °C and 8.5 °C and averaged 4.2 °C. There was -0.1 mm of rain. There was 0.8 hours of sunshine (8%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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 8 » Bowing to international pressure, President of Pakistan Zulfikar Ali Bhutto releases Bengali leader Sheikh Mujibur Rahman from prison, who had been arrested after declaring the independence of Bangladesh.
March 3 » Mohawk Airlines Flight 405 crashes as a result of a control malfunction and insufficient training in emergency procedures.
June 17 » Watergate scandal: Five White House operatives are arrested for burgling the offices of the Democratic National Committee during an attempt by members of the administration of President Richard M. Nixon to illegally wiretap the political opposition as part of a broader campaign to subvert the democratic process.
July 8 » Israeli Mossad assassinate Palestinian writer Ghassan Kanafani.
November 8 » American pay television network Home Box Office (HBO) launches, initially transmitting to 365 Teleservice Cable subscribers in Wilkes-Barre, Pennsylvania. First operating as a Northeastern U.S.-based regional service, HBO was one of the first cable-originated television channels. HBO's inaugural programming that evening consisted of its first event telecast—an NHL hockey game between the New York Rangers and the Vancouver Canucks, and its first movie presentation—the 1971 Paul Newman–Henry Fonda film Sometimes a Great Notion.
December 23 » A 6.5 magnitude earthquake strikes the Nicaraguan capital of Managua killing more than 10,000.
When copying data from this family tree, please include a reference to the origin: Han Eman, "Family tree Eman/Swart-Radstok/Attevelt", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eman/I4759.php : accessed January 25, 2026), "Geertruida Petronella Maria Vermunnicht (1897-1972)".
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