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.
April 22 » At noon, thousands rush to claim land in the Land Rush of 1889. Within hours the cities of Oklahoma City and Guthrie are formed with populations of at least 10,000.
May 2 » Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
June 3 » The first long-distance electric power transmission line in the United States is completed, running 14 miles (23km) between a generator at Willamette Falls and downtown Portland, Oregon.
November 2 » North Dakota and South Dakota are admitted as the 39th and 40th U.S. states.
Day of marriage February 23, 1912
The temperature on February 23, 1912 was between 11.0 °C and 12.0 °C and averaged 11.4 °C. There was 7.8 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 4 » The Scout Association is incorporated throughout the British Empire by royal charter.
April 16 » Harriet Quimby becomes the first woman to fly an airplane across the English Channel.
June 8 » Carl Laemmle incorporates Universal Pictures.
October 26 » First Balkan War: The Ottomans lose the cities of Thessaloniki and Skopje.
December 19 » William Van Schaick, captain of the steamship General Slocum which caught fire and killed over one thousand people, is pardoned by U.S. President William Howard Taft after 3⁄2 years in Sing Sing prison.
December 28 » The first municipally owned streetcars take to the streets in San Francisco.
Day of death January 6, 1919
The temperature on January 6, 1919 was between 2.9 °C and 6.8 °C and averaged 5.0 °C. There was 0.7 hours of sunshine (9%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south. 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.
January 15 » Rosa Luxemburg and Karl Liebknecht, two of the most prominent socialists in Germany, are tortured and murdered by the Freikorps at the end of the Spartacist uprising.
February 26 » President Woodrow Wilson signs an act of Congress establishing the Grand Canyon National Park.
March 1 » March 1st Movement begins in Korea under Japanese rule.
May 29 » Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin
July 11 » The eight-hour day and free Sunday become law for workers in the Netherlands.
October 17 » RCA is incorporated as the Radio Corporation of America.
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/I284061.php : accessed March 3, 2026), "Albert Hebels (1889-1919)".
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