The temperature on April 9, 1910 was between 1.5 °C and 9.5 °C and averaged 5.5 °C. There was 1.4 mm of rain. There was 2.7 hours of sunshine (20%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
April 12 » SMSZrínyi, one of the last pre-dreadnought battleships built by the Austro-Hungarian Navy, is launched.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
June 25 » Igor Stravinsky's ballet The Firebird is premiered in Paris, bringing him to prominence as a composer.
August 22 » Korea is annexed by Japan with the signing of the Japan–Korea Treaty of 1910, beginning a period of Japanese rule of Korea that lasted until the end of World War II.
September 22 » The Duke of York's Picture House opens in Brighton, now the oldest continually operating cinema in Britain.
Day of marriage May 22, 1935
The temperature on May 22, 1935 was between 7.0 °C and 15.3 °C and averaged 10.7 °C. There was 7.9 hours of sunshine (49%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 28 » Iceland becomes the first Western country to legalize therapeutic abortion.
February 12 » USSMacon, one of the two largest helium-filled airships ever created, crashes into the Pacific Ocean off the coast of California and sinks.
February 26 » Robert Watson-Watt carries out a demonstration near Daventry which leads directly to the development of radar in the United Kingdom.
March 16 » Adolf Hitler orders Germany to rearm herself in violation of the Treaty of Versailles. Conscription is reintroduced to form the Wehrmacht.
April 1 » India's central banking institution, The Reserve Bank of India, is formed.
June 18 » Police in Vancouver, British Columbia, Canada, clash with striking longshoremen, resulting in a total of 60 injuries and 24 arrests.
Day of death January 17, 1969
The temperature on January 17, 1969 was between 2.7 °C and 5.1 °C and averaged 3.6 °C. There was 3.0 mm of rain during 2.8 hours. There was 0.5 hours of sunshine (6%). The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
April 15 » The EC-121 shootdown incident: North Korea shoots down a United States Navy aircraft over the Sea of Japan, killing all 31 on board.
September 26 » Abbey Road, the last recorded album by The Beatles, is released.
October 21 » The 1969 Somali coup d'état establishes a Marxist–Leninist administration.
November 12 » Vietnam War: Independent investigative journalist Seymour Hersh breaks the story of the My Lai Massacre.
December 1 » Vietnam War: The first draft lottery in the United States is held since World War II.
December 9 » U.S. Secretary of State William P. Rogers proposes his plan for a ceasefire in the War of Attrition; Egypt and Jordan accept it over the objections of the PLO, which leads to civil war in Jordan in September 1970.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I77331.php : accessed January 9, 2026), "Hendrik Oostindien (1910-1969)".
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