January 4 » Topsy, an elephant, is electrocuted by the owners of Luna Park, Coney Island. The Edison film company records the film Electrocuting an Elephant of Topsy's death.
January 9 » Hallam Tennyson, 2nd Baron Tennyson, son of the poet Alfred Tennyson, becomes the second Governor-General of Australia.
February 11 » Anton Bruckner's 9th Symphony receives its first performance in Vienna, Austria.
June 11 » A group of Serbian officers stormed the royal palace and assassinated King Alexander Obrenović and his wife, Queen Draga.
August 2 » The Ilinden–Preobrazhenie Uprising against the Ottoman Empire begins.
August 29 » The Slava, the last of the five Borodino-class battleships, is launched.
Day of death February 29, 1904
The temperature on February 29, 1904 was between -6.0 °C and -1.4 °C and averaged -3.3 °C. There was 1.1 hours of sunshine (10%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
February 8 » Battle of Port Arthur: A surprise torpedo attack by the Japanese at Port Arthur, China starts the Russo-Japanese War.
May 5 » Pitching against the Philadelphia Athletics at the Huntington Avenue Grounds, Cy Young of the Boston Americans throws the first perfect game in the modern era of baseball.
June 15 » A fire aboard the steamboat SSGeneral Slocum in New York City's East River kills 1,000.
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: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I139060.php : accessed October 19, 2026), "Arjen de Boer (1903-1904)".
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