The temperature on February 23, 1873 was about 3.8 °C. The air pressure was 1 kgf/m2 and came mainly from the northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 49%. Source: KNMI
From July 6, 1872 till August 27, 1874 the Netherlands had a cabinet De Vries - Fransen van de Putte with the prime ministers Mr. G. de Vries Azn. (liberaal) and I.D. Fransen van de Putte (liberaal).
March 22 » The Spanish National Assembly abolishes slavery in Puerto Rico.
April 4 » The Kennel Club is founded, the oldest and first official registry of purebred dogs in the world.
June 18 » Susan B. Anthony is fined $100 for attempting to vote in the 1872 presidential election.
August 4 » American Indian Wars: While protecting a railroad survey party in Montana, the United States 7th Cavalry, under Lieutenant Colonel George Armstrong Custer clashes for the first time with the Cheyenne and Lakota people near the Tongue River; only one man on each side is killed.
October 9 » A meeting at the U.S. Naval Academy establishes the U.S. Naval Institute.
Day of death July 1, 1940
The temperature on July 1, 1940 was between 14.1 °C and 22.9 °C and averaged 18.0 °C. There was 7.0 hours of sunshine (42%). The average windspeed was 2 Bft (weak wind) and was prevailing from the ??. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 29 » 12th Academy Awards: For her performance as "Mammy" in Gone with the Wind, Hattie McDaniel becomes the first African American to win an Academy Award.
June 8 » World War II: The completion of Operation Alphabet, the evacuation of Allied forces from Narvik at the end of the Norwegian Campaign.
July 3 » World War II: The Royal Navy attacks the French naval squadron in Algeria, to ensure that it will not fall under German control. Of the four French battleships present, one is sunk, two are damaged, and one escapes back to France.
July 19 » World War II: Army order 112 forms the Intelligence Corps of the British Army.
October 7 » World War II: The McCollum memo proposes bringing the United States into the war in Europe by provoking the Japanese to attack the United States.
November 11 » World War II: In the Battle of Taranto, the Royal Navy launches the first all-aircraft ship-to-ship naval attack in history.
When copying data from this family tree, please include a reference to the origin: W. Rovers, "Family tree Ro(o)vers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_rovers/I24318.php : accessed February 7, 2026), "Petrus Martinus Roovers (1873-1940)".
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