The temperature on May 15, 1911 was between 9.1 °C and 19.1 °C and averaged 14.3 °C. There was 8.7 hours of sunshine (56%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
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.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
August 14 » United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death.
December 27 » "Jana Gana Mana", the national anthem of India, is first sung in the Calcutta Session of the Indian National Congress.
Day of marriage October 25, 1934
The temperature on October 25, 1934 was between 7.6 °C and 17.2 °C and averaged 12.9 °C. There was 4.8 hours of sunshine (48%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
February 2 » The Export-Import Bank of the United States is incorporated.
February 16 » The Austrian Civil War ends with the defeat of the Social Democrats and the Republikanischer Schutzbund.
May 19 » Zveno and the Bulgarian Army engineer a coup d'état and install Kimon Georgiev as the new Prime Minister of Bulgaria.
May 28 » Near Callander, Ontario, Canada, the Dionne quintuplets are born to Oliva and Elzire Dionne; they will be the first quintuplets to survive infancy.
June 26 » United States President Franklin D. Roosevelt signs the Federal Credit Union Act, which establishes credit unions.
December 11 » Bill Wilson, co-founder of Alcoholics Anonymous, takes his last drink and enters treatment for the final time.
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/I173121.php : accessed October 10, 2026), "Jan van der Wal (1911-)".
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