The temperature on July 3, 1912 was between 6.9 °C and 19.0 °C and averaged 14.5 °C. There was 3.1 hours of sunshine (19%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
April 2 » The ill-fated RMSTitanic begins sea trials.
April 10 » RMS Titanic sets sail from Southampton, England on her maiden and only voyage.
April 16 » Harriet Quimby becomes the first woman to fly an airplane across the English Channel.
April 17 » Russian troops open fire on striking goldfield workers in northeast Siberia, killing at least 150.
November 27 » Spain declares a protectorate over the north shore of Morocco.
Day of marriage April 21, 1937
The temperature on April 21, 1937 was between 3.7 °C and 9.1 °C and averaged 6.7 °C. There was 7.8 mm of rain during 5.4 hours. There was 2.1 hours of sunshine (15%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
March 21 » Ponce massacre: Nineteen people in Ponce, Puerto Rico are gunned down by police acting on orders of the US-appointed Governor, Blanton C. Winship.
April 12 » Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England.
May 21 » A Soviet station, North Pole-1, becomes the first scientific research settlement to operate on the drift ice of the Arctic Ocean.
July 26 » Spanish Civil War: End of the Battle of Brunete with the Nationalist victory.
September 10 » Nine nations attend the Nyon Conference to address international piracy in the Mediterranean Sea.
October 11 » The Duke and Duchess of Windsor tour Nazi Germany for 12 days and meet Adolf Hitler on the 22nd.
When copying data from this family tree, please include a reference to the origin: Dirk Ham, "Family tree Ham en Dallinga", database, Genealogy Online (https://www.genealogieonline.nl/ham-stamboom/I310.php : accessed January 8, 2026), "Hendrika Visser (1912-)".
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