The temperature on July 6, 1912 was between 11.0 °C and 23.3 °C and averaged 18.1 °C. There was 10.6 hours of sunshine (64%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 4 » The Scout Association is incorporated throughout the British Empire by royal charter.
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
January 23 » The International Opium Convention is signed at The Hague.
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.
October 11 » First Balkan War: The day after the Battle of Sarantaporo, Greek troops liberate the city of Kozani.
Day of marriage September 2, 1938
The temperature on September 2, 1938 was between 6.0 °C and 18.8 °C and averaged 11.7 °C. There was 5.2 hours of sunshine (38%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 4 » Adolf Hitler appoints himself as head of the Armed Forces High Command.
May 25 » Spanish Civil War: The bombing of Alicante kills 313 people.
June 7 » Second Sino-Japanese War: The Chinese Nationalist government creates the 1938 Yellow River flood to halt Japanese forces. Five hundred to nine hundred thousand civilians are killed.
July 3 » World speed record for a steam locomotive is set in England, by the Mallard, which reaches a speed of 125.88 miles per hour (202.58km/h).
July 28 » Hawaii Clipper disappears between Guam and Manila as the first loss of an airliner in trans-Pacific China Clipper service.
September 23 » The Czechoslovak army is mobilized in response to the Munich Agreement.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I138581.php : accessed October 6, 2026), "Pieter Helmhout (1912-)".
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