The temperature on October 9, 1911 was between 4.1 °C and 12.2 °C and averaged 8.7 °C. There was 0.5 mm of rain. There was 0.7 hours of sunshine (6%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
Day of marriage June 6, 1935
The temperature on June 6, 1935 was between 10.2 °C and 17.1 °C and averaged 13.7 °C. There was 1.2 mm of rain during 0.8 hours. There was 4.6 hours of sunshine (28%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
April 14 » The Black Sunday dust storm, considered one of the worst storms of the Dust Bowl, swept across the Oklahoma and Texas panhandles and neighboring areas.
May 14 » The Constitution of the Philippines is ratified by a popular vote.
June 12 » A ceasefire is negotiated between Bolivia and Paraguay, ending the Chaco War.
July 24 » The Dust Bowl heat wave reaches its peak, sending temperatures to 109°F (43°C) in Chicago and 104°F (40°C) in Milwaukee.
August 31 » In an attempt to stay out of the growing tensions concerning Germany and Japan, the United States passes the first of its Neutrality Acts.
December 30 » The Italian Air Force bombs a Swedish Red Cross hospital during the Second Italo-Abyssinian War.
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/I211632.php : accessed October 6, 2026), "Marten van der Velde (1911-)".
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