The temperature on September 14, 1910 was between 9.5 °C and 17.6 °C and averaged 13.1 °C. There was 4.0 hours of sunshine (31%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 13 » The first public radio broadcast takes place; a live performance of the operas Cavalleria rusticana and Pagliacci are sent out over the airwaves from the Metropolitan Opera House in New York.
February 8 » The Boy Scouts of America is incorporated by William D. Boyce.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
July 16 » John Robertson Duigan makes the first flight of the Duigan pusher biplane, the first aircraft built in Australia.
August 29 » The Japan–Korea Treaty of 1910, also known as the Japan–Korea Annexation Treaty, becomes effective, officially starting the period of Japanese rule in Korea.
October 5 » In a revolution in Portugal the monarchy is overthrown and a republic is declared.
Day of marriage May 15, 1936
The temperature on May 15, 1936 was between 5.8 °C and 22.1 °C and averaged 15.2 °C. There was 11.3 hours of sunshine (72%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
February 10 » Second Italo-Abyssinian War: Italian troops launched the Battle of Amba Aradam against Ethiopian defenders.
July 6 » A major breach of the Manchester Bolton & Bury Canal in England sends millions of gallons of water cascading 200 feet (61m) into the River Irwell.
August 1 » The Olympics opened in Berlin with a ceremony presided over by Adolf Hitler.
August 24 » The Australian Antarctic Territory is created.
October 5 » The Jarrow March sets off for London.
October 27 » Mrs Wallis Simpson obtains her divorce, which would eventually allow her to marry King Edward VIII of the United Kingdom, thus forcing his abdication from the throne.
Day of death May 8, 1959
The temperature on May 8, 1959 was between 9.4 °C and 23.6 °C and averaged 17.3 °C. There was 10.9 hours of sunshine (71%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
February 2 » Nine experienced ski hikers in the northern Ural Mountains in the Soviet Union die under mysterious circumstances.
February 3 » Rock and roll musicians Buddy Holly, Ritchie Valens, and J. P. "The Big Bopper" Richardson are killed in a plane crash near Clear Lake, Iowa.
March 9 » The Barbie doll makes its debut at the American International Toy Fair in New York.
March 28 » The State Council of the People's Republic of China dissolves the government of Tibet.
September 16 » The first successful photocopier, the Xerox 914, is introduced in a demonstration on live television from New York City.
October 12 » At the national congress of the American Popular Revolutionary Alliance in Peru, a group of leftist radicals are expelled from the party who later form APRA Rebelde.
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/I168191.php : accessed October 7, 2026), "Harm Zuidersma (1910-1959)".
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