The temperature on April 7, 1889 was about 5.4 °C. There was 8 mm of rain. The airpressure was 75 cm mercury. The atmospheric humidity was 98%. Source: KNMI
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 8 » Montana is admitted as the 41st U.S. state.
November 15 » Brazil is declared a republic by Marshal Deodoro da Fonseca as Emperor Pedro II is deposed in a military coup.
November 23 » The first jukebox goes into operation at the Palais Royale Saloon in San Francisco.
Day of marriage April 6, 1910
The temperature on April 6, 1910 was between 5.3 °C and 14.0 °C and averaged 8.7 °C. There was 4.5 hours of sunshine (34%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 1 » Captain David Beatty is promoted to Rear admiral, and becomes the youngest admiral in the Royal Navy (except for Royal family members) since Horatio Nelson.
April 28 » Frenchman Louis Paulhan wins the 1910 London to Manchester air race, the first long-distance aeroplane race in England.
June 25 » Igor Stravinsky's ballet The Firebird is premiered in Paris, bringing him to prominence as a composer.
July 24 » The Ottoman Empire captures the city of Shkodër, putting down the Albanian Revolt of 1910.
October 20 » The hull of the RMSOlympic, sister-ship to the ill-fated RMS Titanic, is launched from the Harland and Wolff shipyard in Belfast.
November 10 » The date of Thomas A. Davis' opening of the San Diego Army and Navy Academy, although the official founding date is November 23, 1910.
Day of death September 6, 1946
The temperature on September 6, 1946 was between 9.8 °C and 20.6 °C and averaged 14.9 °C. There was 7.5 hours of sunshine (56%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
When copying data from this family tree, please include a reference to the origin: Yvonne Groos, "Family tree Groos", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-groos/I271.php : accessed February 1, 2026), "Cornelis Marinus Groos (1889-1946)".
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