The temperature on July 14, 1911 was between 14.2 °C and 22.7 °C and averaged 18.0 °C. There was 0.1 mm of rain. There was 13.5 hours of sunshine (83%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
January 3 » A gun battle in the East End of London left two dead and sparked a political row over the involvement of then-Home Secretary Winston Churchill.
January 26 » Glenn Curtiss flies the first successful American seaplane.
May 15 » In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil to be an "unreasonable" monopoly under the Sherman Antitrust Act and orders the company to be broken up.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
July 1 » Germany despatches the gunship SMSPanther to Morocco, sparking the Agadir Crisis.
November 3 » Chevrolet officially enters the automobile market in competition with the Ford Model T.
Day of marriage March 25, 1935
The temperature on March 25, 1935 was between 0.6 °C and 10.4 °C and averaged 6.5 °C. There was 0.6 mm of rain during 0.8 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
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/I134033.php : accessed December 29, 2025), "Johannes de Graaf (1911-)".
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