April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
December 30 » The British Colony of Natal annexes Zululand.
Day of marriage June 19, 1947
The temperature on June 19, 1947 was between 12.4 °C and 21.1 °C and averaged 16.8 °C. There was 0.8 mm of rain during 1.1 hours. There was 3.4 hours of sunshine (20%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
February 12 » The largest observed iron meteorite until that time creates an impact crater in Sikhote-Alin, in the Soviet Union.
June 24 » Kenneth Arnold makes the first widely reported UFO sighting near Mount Rainier, Washington, leading to the coining of the phrase "flying saucer".
September 30 » The 1947 World Series is the first to be televised, to include an African-American player, to exceed $2 million in receipts, to see a pinch-hit home run, and to have six umpires on the field.
October 20 » The House Un-American Activities Committee begins its investigation into Communist infiltration of the Hollywood film industry, resulting in a blacklist that prevents some from working in the industry for years.
October 26 » Kashmir conflict: The Maharaja of Kashmir and Jammu signs the Instrument of Accession with India.
November 18 » The Ballantyne's Department Store fire in Christchurch, New Zealand, kills 41; it is the worst fire disaster in the history of New Zealand.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I176364.php : accessed October 25, 2026), "Sjoukje van der Heide (1897-????)".
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