The temperature on February 6, 1911 was between -2.6 °C and 6.8 °C and averaged 3.0 °C. There was 1.5 hours of sunshine (16%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
July 1 » Germany despatches the gunship SMSPanther to Morocco, sparking the Agadir Crisis.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
November 11 » Many cities in the Midwestern United States break their record highs and lows on the same day as a strong cold front rolls through.
Day of marriage April 30, 1935
The temperature on April 30, 1935 was between 3.8 °C and 11.7 °C and averaged 7.9 °C. There was 4.3 hours of sunshine (29%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
February 26 » Adolf Hitler orders the Luftwaffe to be re-formed, violating the provisions of the Treaty of Versailles.
July 5 » The National Labor Relations Act, which governs labor relations in the United States, is signed into law by President Franklin D. Roosevelt.
August 14 » Franklin D. Roosevelt signs the Social Security Act, creating a government pension system for the retired.
September 3 » Sir Malcolm Campbell reaches a speed of 304.331 miles per hour on the Bonneville Salt Flats in Utah, becoming the first person to drive an automobile over 300mph.
October 19 » The League of Nations places economic sanctions on Italy for its invasion of Ethiopia.
December 27 » Regina Jonas is ordained as the first female rabbi in the history of Judaism.
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/I84068.php : accessed October 13, 2026), "Klara Boerma (1911-)".
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