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.
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.
June 16 » The Ford Motor Company is incorporated.
July 20 » The Ford Motor Company ships its first automobile.
November 18 » The Hay–Bunau-Varilla Treaty is signed by the United States and Panama, giving the United States exclusive rights over the Panama Canal Zone.
Day of death July 23, 1903
The temperature on July 23, 1903 was between 13.2 °C and 23.2 °C and averaged 18.2 °C. There was 2.4 hours of sunshine (15%). Source: KNMI
February 23 » Cuba leases Guantánamo Bay to the United States "in perpetuity".
April 29 » A landslide kills 70 people in Frank, in the District of Alberta, Canada.
July 1 » Start of first Tour de France bicycle race.
July 4 » The Philippine–American War is officially concluded.
July 23 » The Ford Motor Company sells its first car.
October 31 » The Purdue Wreck, a railroad train collision in Indianapolis, kills 17 people, including 14 players of the Purdue University football team.
When copying data from this family tree, please include a reference to the origin: Frank Coster, "Family tree Coster", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_coster/I8987.php : accessed February 22, 2026), "Rosina Coster (1903-1903)".
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