The temperature on June 18, 1910 was between 9.7 °C and 20.9 °C and averaged 15.8 °C. There was 15.2 hours of sunshine (91%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
March 28 » Henri Fabre becomes the first person to fly a seaplane, the Fabre Hydravion, after taking off from a water runway near Martigues, France.
July 4 » The Johnson–Jeffries riots occur after African-American boxer Jack Johnson knocks out white boxer Jim Jeffries in the 15th round. Between 11 and 26 people are killed and hundreds more injured.
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
October 22 » Hawley Harvey Crippen (the first felon to be arrested with the help of radio) is convicted of poisoning his wife.
November 23 » Johan Alfred Ander becomes the last person to be executed in Sweden.
When copying data from this family tree, please include a reference to the origin: Frits Stempher, "Family tree Stempher", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-stempher/I270.php : accessed October 13, 2026), "Grietje Berendina Stempher (1910-)".
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