January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
January 22 » Columbia Phonograph is formed in Washington, D.C.
March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
March 31 » The Eiffel Tower is officially opened.
July 8 » The first issue of The Wall Street Journal is published.
August 4 » The Great Fire of Spokane, Washington destroys some 32 blocks of the city, prompting a mass rebuilding project.
Day of marriage May 19, 1922
The temperature on May 19, 1922 was between 9.4 °C and 15.5 °C and averaged 12.5 °C. There was 1.6 mm of rain. There was 0.3 hours of sunshine (2%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 28 » Knickerbocker Storm, Washington D.C.'s biggest snowfall, causes the city's greatest loss of life when the roof of the Knickerbocker Theatre collapses.
March 20 » The USSLangley is commissioned as the first United States Navy aircraft carrier.
June 29 » France grants 1km at Vimy Ridge "freely, and for all time, to the Government of Canada, the free use of the land exempt from all taxes".
July 9 » Johnny Weissmuller swims the 100 meters freestyle in 58.6 seconds breaking the world swimming record and the 'minute barrier'.
October 31 » Benito Mussolini is made Prime Minister of Italy
December 9 » Gabriel Narutowicz is elected the first president of Poland.
Day of death March 15, 1960
The temperature on March 15, 1960 was between 3.5 °C and 13.6 °C and averaged 8.0 °C. There was 9.1 hours of sunshine (77%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
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/I181591.php : accessed February 3, 2026), "Hendrikus Duiker (1889-1960)".
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