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Hace 4 días · Research fields. Past experiments. Current experiments. Scientists. v. t. e. The Michelson–Morley experiment was an attempt to measure the motion of the Earth relative to the luminiferous aether, [A 1] a supposed medium permeating space that was thought to be the carrier of light waves. The experiment was performed between April and July 1887 ...
Hace 1 día · Virgin of Guadalupe and castas, 1. Program of centennial festivities of Mexican independence in September 1910, asserting the historical continuity of Miguel Hidalgo, Benito Juárez "Law," and Porfirio Díaz, "Peace," from 1810 to 1910. The written history of Mexico spans more than three millennia. First populated more than 13,000 years ago, [1 ...
Hace 4 días · The history of the United States from 1865 to 1917 was marked by the Reconstruction era, the Gilded Age, and the Progressive Era, and includes the rise of industrialization and the resulting surge of immigration in the United States . This period of rapid economic growth and soaring prosperity in the Northern United States and the Western ...
Hace 5 días · Henry Morton Stanley, British American explorer of central Africa, famous for his rescue of the Scottish missionary and explorer David Livingstone and for his discoveries in and development of the Congo region. Learn more about Stanley’s life and accomplishments in this article.
Hace 4 días · Esperanto, artificial language constructed in 1887 by L.L. Zamenhof, a Polish oculist, and intended for use as an international second language. Zamenhof’s Fundamento de Esperanto, published in 1905, lays down the basic principles of the language’s structure and formation.
- The Editors of Encyclopaedia Britannica
Hace 4 días · Winchester Model 1873 Rifle. The Winchester Model 1873 was a lever-action rifle that earned the nickname “The Gun That Won the West” due to its widespread use and reliability. It was chambered ...
Hace 4 días · The 1887 Morgan No Mint mark dollars in circulated condition cost about $30 to $61, but you should set aside $53 to $1,450 for those in the best condition. The rarest are MS 68-graded silver dollars, so it is accurate to expect them to be worth $14,000 to $18,000.
