The temperature on May 26, 1904 was between 9.9 °C and 27.0 °C and averaged 20.1 °C. There was 6.5 hours of sunshine (40%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
April 8 » Longacre Square in Midtown Manhattan is renamed Times Square after The New York Times.
April 8 » The French Third Republic and the United Kingdom of Great Britain and Ireland sign the Entente cordiale.
May 5 » Pitching against the Philadelphia Athletics at the Huntington Avenue Grounds, Cy Young of the Boston Americans throws the first perfect game in the modern era of baseball.
May 15 » Russo-Japanese War: The Russian minelayer Amur lays a minefield about 15 miles off Port Arthur and sinks Japan's battleships Hatsuse, 15,000 tons, with 496 crew and Yashima.
August 10 » Russo-Japanese War: The Battle of the Yellow Sea between the Russian and Japanese battleship fleets takes place.
October 4 » The IFK Göteborg football club is founded in Sweden.
Day of marriage May 19, 1938
The temperature on May 19, 1938 was between 3.9 °C and 12.5 °C and averaged 8.4 °C. There was 1.0 mm of rain during 0.7 hours. There was 1.8 hours of sunshine (11%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
February 4 » Adolf Hitler appoints himself as head of the Armed Forces High Command.
June 7 » The Douglas DC-4E makes its first test flight.
July 10 » Howard Hughes begins a 91-hour airplane flight around the world that will set a new record.
July 20 » The United States Department of Justice files suit in New York City against the motion picture industry charging violations of the Sherman Antitrust Act in regards to the studio system. The case would eventually result in a break-up of the industry in 1948.
August 20 » Lou Gehrig hits his 23rd career grand slam, a record that stood for 75 years until it was broken by Alex Rodriguez.
November 16 » LSD is first synthesized by Albert Hofmann from ergotamine at the Sandoz Laboratories in Basel.
When copying data from this family tree, please include a reference to the origin: Sim Mostert, "Genealogy Pot en Smit", database, Genealogy Online (https://www.genealogieonline.nl/genealogie_pot_smit/I1377.php : accessed October 15, 2026), "JOHANNES de GROOT (1904-)".
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