The temperature on March 17, 1910 was between 2.2 °C and 9.2 °C and averaged 5.6 °C. There was 4.3 mm of rain. There was 3.4 hours of sunshine (29%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
June 25 » The United States Congress passes the Mann Act, which prohibits interstate transport of women or girls for “immoral purposes”; the ambiguous language would be used to selectively prosecute people for years to come.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
July 24 » The Ottoman Empire captures the city of Shkodër, putting down the Albanian Revolt of 1910.
October 20 » The hull of the RMSOlympic, sister-ship to the ill-fated RMS Titanic, is launched from the Harland and Wolff shipyard in Belfast.
October 21 » HMSNiobe arrives in Halifax Harbour to become the first ship of the Royal Canadian Navy.
Day of marriage April 6, 1934
The temperature on April 6, 1934 was between -1.3 °C and 17.4 °C and averaged 9.8 °C. There was 7.6 hours of sunshine (57%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
April 12 » The U.S. Auto-Lite strike begins, culminating in a five-day melee between Ohio National Guard troops and 6,000 strikers and picketers.
April 21 » The "Surgeon's Photograph", the most famous photo allegedly showing the Loch Ness Monster, is published in the Daily Mail (in 1999, it is revealed to be a hoax).
July 5 » "Bloody Thursday": Police open fire on striking longshoremen in San Francisco.
July 20 » Labor unrest in the U.S.: Police in Minneapolis fire upon striking truck drivers, during the Minneapolis Teamsters Strike of 1934, killing two and wounding sixty-seven.
August 19 » The first All-American Soap Box Derby is held in Dayton, Ohio.
September 22 » The Gresford disaster in Wales kills 266 miners and rescuers.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I63237.php : accessed February 24, 2026), "Christina de Graaf (1910-)".
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