The temperature on May 21, 1870 was about 24.8 °C. The air pressure was 2 kgf/m2 and came mainly from the west-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 59%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
In The Netherlands , there was from May 9, 1894 to July 27, 1897 the cabinet Roëll, with Jonkheer mr. J. Roëll (oud-liberaal) as prime minister.
February 7 » The Cripple Creek miner's strike, led by the Western Federation of Miners, begins in Cripple Creek, Colorado, United States.
May 1 » Coxey's Army, the first significant American protest march, arrives in Washington, D.C.
June 28 » Labor Day becomes an official US holiday.
July 22 » The first ever motor race is held in France between the cities of Paris and Rouen. The fastest finisher was the Comte Jules-Albert de Dion, but the 'official' victory was awarded to Albert Lemaître driving his 3hp petrol engined Peugeot.
July 25 » The First Sino-Japanese War begins when the Japanese fire upon a Chinese warship.
September 17 » Battle of the Yalu River, the largest naval engagement of the First Sino-Japanese War.
Day of death July 20, 1941
The temperature on July 20, 1941 was between 10.3 °C and 21.1 °C and averaged 14.9 °C. There was 0.1 mm of rain during 0.1 hours. There was 4.0 hours of sunshine (25%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
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.
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 25 » Pope Pius XII elevates the Apostolic Vicariate of the Hawaiian Islands to the dignity of a diocese. It becomes the Roman Catholic Diocese of Honolulu.
March 4 » World War II: The United Kingdom launches Operation Claymore on the Lofoten Islands; the first large scale British Commando raid.
April 13 » A pact of neutrality between the USSR and Japan is signed.
October 17 » World War II: The USS Kearny becomes the first US Navy vessel to be torpedoed by a U-boat.
December 5 » World War II: In the Battle of Moscow, Georgy Zhukov launches a massive Soviet counter-attack against the German army.
December 20 » World War II: First battle of the American Volunteer Group, better known as the "Flying Tigers" in Kunming, China.
When copying data from this family tree, please include a reference to the origin: Wicher Dam, "Dambomen, negen verschillende stambomen DAM", database, Genealogy Online (https://www.genealogieonline.nl/dambomen/I9404.php : accessed February 20, 2026), "Maria Dam (1870-1941)".
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