February 1 » La bohème premieres in Turin at the Teatro Regio (Turin), conducted by the young Arturo Toscanini.
March 1 » Henri Becquerel discovers radioactive decay.
April 15 » Closing ceremony of the Games of the I Olympiad in Athens, Greece.
June 2 » Guglielmo Marconi applies for a patent for his wireless telegraph.
December 17 » Pittsburgh, Pennsylvania's Schenley Park Casino, which was the first multi-purpose arena with the technology to create an artificial ice surface in North America, is destroyed in a fire.
December 30 » Filipino patriot and reform advocate José Rizal is executed by a Spanish firing squad in Manila.
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The Family tree Den Outer publication was prepared by Menno den Outer (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Menno den Outer, "Family tree Den Outer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-den-outer/R1693.php : accessed January 11, 2026), "Adrianus den Outer (1896-????)".
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