January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
April 2 » Dmitry Sipyagin, Minister of Interior of the Russian Empire, is assassinated in the Marie Palace, Saint Petersburg.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
December 14 » The Commercial Pacific Cable Company lays the first Pacific telegraph cable, from San Francisco to Honolulu.
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 October 23, 1903
The temperature on October 23, 1903 was between 6.3 °C and 12.5 °C and averaged 9.3 °C. There was 2.8 hours of sunshine (27%). Source: KNMI
January 17 » El Yunque National Forest in Puerto Rico becomes part of the United States National Forest System as the Luquillo Forest Reserve.
July 19 » Maurice Garin wins the first Tour de France.
October 13 » The Boston Red Sox win the first modern World Series, defeating the Pittsburgh Pirates in the eighth game.
October 31 » The Purdue Wreck, a railroad train collision in Indianapolis, kills 17 people, including 14 players of the Purdue University football team.
November 3 » With the encouragement of the United States, Panama separates from Colombia.
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.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I32975.php : accessed February 1, 2026), "Cornelis Hartevelt (1902-1903)".
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