The temperature on September 17, 1904 was between 5.2 °C and 18.7 °C and averaged 12.5 °C. There was 11.2 hours of sunshine (89%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
February 9 » Russo-Japanese War: Battle of Port Arthur concludes.
February 17 » Madama Butterfly receives its première at La Scala in Milan.
April 30 » The Louisiana Purchase Exposition World's Fair opens in St. Louis, Missouri.
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.
August 23 » The automobile tire chain is patented.
December 3 » The Jovian moon Himalia is discovered by Charles Dillon Perrine at California's Lick Observatory.
When copying data from this family tree, please include a reference to the origin: Peter Menting, "Family tree Menting", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-menting/I7776.php : accessed January 12, 2026), "Petrus Michael Koens (1904-)".
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