The temperature on October 18, 1873 was about 13.2 °C. The air pressure was 1 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 66%. 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 3 » Censorship in the United States: The U.S. Congress enacts the Comstock Law, making it illegal to send any "obscene literature and articles of immoral use" through the mail.
April 4 » The Kennel Club is founded, the oldest and first official registry of purebred dogs in the world.
June 5 » Sultan Barghash bin Said of Zanzibar closes the great slave market under the terms of a treaty with Great Britain.
July 21 » At Adair, Iowa, Jesse James and the James–Younger Gang pull off the first successful train robbery in the American Old West.
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.
September 18 » The bank Jay Cooke & Company declares bankruptcy, contributing to the Panic of 1873.
Day of marriage July 10, 1895
The temperature on July 10, 1895 was about 17.7 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 80%. Source: KNMI
January 13 » First Italo-Ethiopian War: the war's opening battle, the Battle of Coatit, occurs; it is an Italian victory.
February 9 » William G. Morgan creates a game called Mintonette, which soon comes to be referred to as volleyball.
March 22 » Before the Société pour L'Encouragement à l'Industrie, brothers Auguste and Louis Lumière demonstrate movie film technology publicly for the first time.
April 17 » The Treaty of Shimonoseki between China and Japan is signed. This marks the end of the First Sino-Japanese War, and the defeated Qing Empire is forced to renounce its claims on Korea and to concede the southern portion of the Fengtien province, Taiwan and the Pescadores Islands to Japan.
October 8 » Korean Empress Myeongseong is assassinated by Japanese infiltrators.
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I11033.php : accessed February 8, 2026), "Maria Ludovica de Groep (1873-????)".
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