When was the first semaphore installed ?

The word semaphore, the first was compiled as a coin, 1801. French inventor Chape, who invented the semaphore line.

During 1790-1795. At the height of the French Revolution, it was necessary to devise a quick and efficient, easily understandable way of communication. France was surrounded by enemies, as well as burdened with riots within some cities. France's advantage was the lack of cooperation that the hostile allied forces had, because of the poor lines of communication. In 1790, Chape brothers began to devise a communication system that would allow information to be transmitted as soon as possible. The first tool set on March 2, 1791 was a combination of black-and-white panels, watches, telescopes, and codebooks. The first message, transmitted in this way, was: "If you succeed, you will soon bask in glory". The message was transferred between Brulon and Prce at a distance of 16km.

The word semaphore was first rinted in English in 1816.

was a long, primarily nonviolent series of events to bring full civil rights and equality under the law to all americans. the era has had a lasting impact on united states society, in its tactics, the increased social and legal acceptance of civil rights, and in its exposure of the prevalence and cost of racism. in the south violence and fraud in southern elections from 1868 to 1876, which had reduced black voter turnout and enabled southern white democrats to regain power in state legislatures across the south