March 1 » Henri Becquerel discovers radioactive decay.
April 15 » Closing ceremony of the Games of the I Olympiad in Athens, Greece.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
August 16 » Skookum Jim Mason, George Carmack and Dawson Charlie discover gold in a tributary of the Klondike River in Canada, setting off the Klondike Gold Rush.
September 22 » Queen Victoria surpasses her grandfather King George III as the longest reigning monarch in British history.
December 17 » Pittsburgh, Pennsylvania's Schenley Park Casino, which was the first multi-purpose arena with the technology to create an artificial ice surface in North America, is destroyed in a fire.
Day of marriage July 30, 1915
The temperature on July 30, 1915 was between 5.6 °C and 20.2 °C and averaged 13.6 °C. There was 0.1 mm of rain. There was 12.4 hours of sunshine (79%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
March 20 » Albert Einstein publishes his general theory of relativity.
April 18 » French pilot Roland Garros is shot down and glides to a landing on the German side of the lines during World War I.
June 21 » The U.S. Supreme Court hands down its decision in Guinn v. United States 238 US 347 1915, striking down Oklahoma grandfather clause legislation which had the effect of denying the right to vote to blacks.
July 1 » Leutnant Kurt Wintgens of the then-named German Deutsches Heer's Fliegertruppe army air service achieves the first known aerial victory with a synchronized machine-gun armed fighter plane, the Fokker M.5K/MG Eindecker.
July 24 » The passenger ship SSEastland capsizes while tied to a dock in the Chicago River. A total of 844 passengers and crew are killed in the largest loss of life disaster from a single shipwreck on the Great Lakes.
September 5 » The pacifist Zimmerwald Conference begins.
Day of death October 19, 1978
The temperature on October 19, 1978 was between 3.6 °C and 13.4 °C and averaged 9.4 °C. There was 0.3 hours of sunshine (3%). The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
January 1 » Air India Flight 855, a Boeing 747, crashes into the Arabian Sea, due to instrument failure, spatial disorientation, and pilot error, off the coast of Bombay, India, killing all 213 people on board.
January 18 » The European Court of Human Rights finds the United Kingdom's government guilty of mistreating prisoners in Northern Ireland, but not guilty of torture.
February 13 » Hilton bombing: a bomb explodes in a refuse truck outside the Hilton Hotel in Sydney, Australia, killing two refuse collectors and a policeman.
April 17 » Mir Akbar Khyber is assassinated, provoking a communist coup d'état in Afghanistan.
April 27 » Former United States President Nixon aide John D. Ehrlichman is released from an Arizona prison after serving 18 months for Watergate-related crimes.
December 22 » The pivotal Third Plenum of the 11th National Congress of the Communist Party of China is held in Beijing, with Deng Xiaoping reversing Mao-era policies to pursue a program for Chinese economic reform.
When copying data from this family tree, please include a reference to the origin: Arie Verloop, "Family tree Verloop", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-verloop/I8060.php : accessed September 28, 2026), "Bertha Cornelia BOON (1896-1978)".
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