July 4 » The Philippine–American War is officially concluded.
July 20 » The Ford Motor Company ships its first automobile.
September 27 » The Wreck of the Old 97, an American rail disaster that became the subject of a popular ballad.
October 13 » The Boston Red Sox win the first modern World Series, defeating the Pittsburgh Pirates in the eighth game.
November 17 » The Russian Social Democratic Labour Party splits into two groups: The Bolsheviks (Russian for "majority") and Mensheviks (Russian for "minority").
December 30 » A fire at the Iroquois Theater in Chicago, Illinois kills at least 605.
Day of death June 6, 1904
The temperature on June 6, 1904 was between 10.4 °C and 23.5 °C and averaged 16.9 °C. There was 13.4 hours of sunshine (81%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 7 » The distress signal "CQD" is established only to be replaced two years later by "SOS".
February 9 » Russo-Japanese War: Battle of Port Arthur concludes.
February 28 » S.L. Benfica is founded in Portugal.
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.
October 20 » Chile and Bolivia sign the Treaty of Peace and Friendship, delimiting the border between the two countries.
December 7 » Comparative fuel trials begin between warships HMSSpiteful and HMSPeterel: Spiteful was the first warship powered solely by fuel oil, and the trials led to the obsolescence of coal in ships of the Royal Navy.
When copying data from this family tree, please include a reference to the origin: W. Kattenberg, "Family tree Kattenberg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kattenberg/R138.php : accessed January 24, 2026), "Harm Kattenberg (1903-1904)".
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