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Hace 10 horas · 1886: Charles Martin Hall and independently Paul Héroult invent the Hall–Héroult process for economically producing aluminum in 1886. 1886: Karl Benz invents the first petrol or gasoline powered auto-mobile (car). [413] 1887: Carl Josef Bayer invents the Bayer process for the production of alumina.
Hace 10 horas · Until the 17th century, theatrical works were performed in noble palaces or in public by the Compagnie della Calza who staged their works on mobile wooden theatres. During the 17th century there was a great diffusion of the theater so much so that in 1637 Venice's first permanent theater, the Teatro San Cassiano , was inaugurated with a presentation of Andromeda by Benedetto Ferrari .
Hace 10 horas · Contemporary illustration of the 1868 Washita Massacre by the 7th Cavalry against Black Kettle's band of Cheyennes, during the American Indian Wars. Violence and conflict with colonists were also important causes of the decline of certain Indigenous American populations since the 16th century. Population figures for the Indigenous peoples of the Americas prior to European colonization have ...
Hace 10 horas · The next major improvement in clock building, from the 17th century, was the discovery that clocks could be controlled by harmonic oscillators. Leonardo da Vinci had produced the earliest known drawings of a pendulum in 1493–1494, and in 1582 Galileo Galilei had investigated the regular swing of the pendulum, discovering that frequency was only dependent on length, not weight.
Hace 10 horas · Website. www .hbc .com. The Hudson's Bay Company ( HBC; French: Compagnie de la Baie d'Hudson) is a Canadian retail business group. A fur trading business for much of its existence, it became the largest and oldest corporation in Canada, and now owns and operates retail stores across the country. [2] [3] The company's namesake business division ...
Hace 10 horas · First Opium War. The First Opium War ( Chinese: 第一次鴉片戰爭; pinyin: Dìyīcì yāpiàn zhànzhēng ), also known as the Anglo-Chinese War, was a series of military engagements fought between the British Empire and the Qing dynasty of China between 1839 and 1842. The immediate issue was the Chinese enforcement of their ban on the ...
Hace 10 horas · On March 1, 1803, Ohio was admitted to the union as the 17th state. Settlement of Ohio was chiefly by migrants from New England, New York and Pennsylvania. Southerners settled along the southern part of the territory, arriving by travel along the Ohio River from the Upper South.
