January 30 » The first Anglo-Japanese Alliance is signed in London.
April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
December 28 » The Syracuse Athletic Club defeated the New York Philadelphians, 5–0, in the first indoor professional football game, which was held at Madison Square Garden.
Day of death December 29, 1903
The temperature on December 29, 1903 was between -7.5 °C and -1.4 °C and averaged -5.4 °C. There was 6.7 hours of sunshine (86%). Source: KNMI
February 23 » Cuba leases Guantánamo Bay to the United States "in perpetuity".
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 18 » German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.
September 27 » The Wreck of the Old 97, an American rail disaster that became the subject of a popular ballad.
December 14 » The Wright brothers make their first attempt to fly with the Wright Flyer at Kitty Hawk, North Carolina.
When copying data from this family tree, please include a reference to the origin: Daniel van der Ploeg, "voorouders van der Ploeg-Mosterman", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-van-der-ploeg-mosterman/I2535.php : accessed June 14, 2024), "Petronella Joanna van der Ploeg (1902-1903)".
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