The temperature on June 18, 1904 was between 11.1 °C and 17.3 °C and averaged 14.0 °C. There was 7.8 hours of sunshine (47%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 8 » The Blackstone Library is dedicated, marking the beginning of the Chicago Public Library system.
January 17 » Anton Chekhov's The Cherry Orchard receives its premiere performance at the Moscow Art Theatre.
May 15 » Russo-Japanese War: The Russian minelayer Amur lays a minefield about 15 miles off Port Arthur and sinks Japan's battleships Hatsuse, 15,000 tons, with 496 crew and Yashima.
May 21 » The Fédération Internationale de Football Association (FIFA) is founded in Paris.
July 31 » Russo-Japanese War: Battle of Hsimucheng: Units of the Imperial Japanese Army defeat units of the Imperial Russian Army in a strategic confrontation.
November 16 » English engineer John Ambrose Fleming receives a patent for the thermionic valve (vacuum tube).
When copying data from this family tree, please include a reference to the origin: Hans Dunning, "Family tree Dunning", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-dunning/R5758.php : accessed February 6, 2026), "Pieteriena Ploeg (1904-)".
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