January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
March 1 » Henri Becquerel discovers radioactive decay.
April 6 » In Athens, the opening of the first modern Olympic Games is celebrated, 1,500 years after the original games are banned by Roman emperor Theodosius I.
May 18 » Khodynka Tragedy: A mass panic on Khodynka Field in Moscow during the festivities of the coronation of Russian Tsar Nicholas II results in the deaths of 1,389 people.
May 26 » Charles Dow publishes the first edition of the Dow Jones Industrial Average.
July 9 » William Jennings Bryan delivers his Cross of Gold speech advocating bimetallism at the 1896 Democratic National Convention in Chicago.
Day of death June 11, 1954
The temperature on June 11, 1954 was between 8.9 °C and 17.1 °C and averaged 13.2 °C. There was 1.9 mm of rain during 0.1 hours. There was 8.1 hours of sunshine (49%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Nico de Kunder, "Family tree De Kunder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-kunder/I6145.php : accessed December 29, 2025), "Peter Johannes van den Heurik (1896-1954)".
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