The temperature on November 1, 1889 was about 7.9 °C. There was 2 mm of rain. The air pressure was 16 kgf/m2 and came mainly from the south. The airpressure was 76 cm mercury. The atmospheric humidity was 97%. Source: KNMI
January 22 » Columbia Phonograph is formed in Washington, D.C.
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
August 4 » The Great Fire of Spokane, Washington destroys some 32 blocks of the city, prompting a mass rebuilding project.
October 24 » Henry Parkes delivers the Tenterfield Oration, effectively starting the federation process in Australia.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
Day of death December 20, 1959
The temperature on December 20, 1959 was between 7.0 °C and 11.4 °C and averaged 9.5 °C. There was 3.4 mm of rain during 2.6 hours. The heavily clouded was. The average windspeed was 6 Bft (strong wind) and was prevailing from the south-southwest. Source: KNMI
January 8 » Charles de Gaulle is proclaimed as the first President of the French Fifth Republic.
June 8 » USSBarbero and the United States Postal Service attempt the delivery of mail via Missile Mail.
June 23 » Convicted Manhattan Project spy Klaus Fuchs is released after only nine years in prison and allowed to emigrate to Dresden, East Germany where he resumes a scientific career.
September 16 » The first successful photocopier, the Xerox 914, is introduced in a demonstration on live television from New York City.
September 26 » Typhoon Vera, the strongest typhoon to hit Japan in recorded history, makes landfall, killing 4,580 people and leaving nearly 1.6 million others homeless.
November 23 » French President Charles de Gaulle declares in a speech in Strasbourg his vision for "Europe, from the Atlantic to the Urals".
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/I92382.php : accessed October 22, 2026), "Johannes van Helvoirt (1889-1959)".
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