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A dynamo is an electrical generator that creates direct current using a commutator. Dynamos were the first electrical generators capable of delivering power for industry, and the foundation upon which many other later electric-power conversion devices were based, including the electric motor, the alternating-current alternator, and the rotary converter. -
It was at this time, 1876–1877, that a new invention called the telephone emerged. It is not easy to determine who the inventor was. Both Alexander Graham Bell and Elisha Gray submitted independent patent applications concerning telephones to the patent office in Washington on February 14, 1876. -
The Berlin Conference of 1884–1885, also known as the Congo ConferenceHeld between November 15, 1884 and February 26, 1885 in the city of Berlin (German Empire), it was convened by France and the United Kingdom and organized by the German Chancellor, Otto von Bismarck, in order to solve the problems implied by the colonial expansion in Africa and resolve its distribution. -
It was a French colonial territory located in the Asian region of Indochina. This federation of territories of the French colonial empire was formed in 1887 by the grouping of the three Vietnamese regions (Cochinchina, Tonkin and Annam) with Cambodia. Laos came under French control in 1893 and became part of Indochina in 1899. -
Cinématographe, one of the first motion-picture apparatuses, used as both camera and projector. The invention of Louis and Auguste Lumière, manufacturers of photographic materials in Lyon, France, it was based in part on the Kinetoscope/Kinetograph system of W.K.L. -
In 1898, the United States annexed Hawaii and won a short and decisive war with Spain, thereby adding Puerto Rico, Cuba and the Philippines as American properties. -
The Yihétuán Uprising, called the Boxer Rebellion in the West, was a movement against the commercial, political, religious, and technological influence of Westerners in China, which took place during the last years of the nineteenth century, from November 1899 to on September 7, 1901. -
The Wright brothers' first airplane flight on Dec. 17, 1903, lasted just 12 seconds and news of the feat made it into only four newspapers the next morning. Yet, the pioneering, 120-foot (37 meters) flight in a fragile airplane over Kitty Hawk, North Carolina, had an enormous impact on the entire world. -
The Russo-Japanese War was fought between the Empire of Japan and the Russian Empire during 1904 and 1905 over rival imperial ambitions in Manchuria and the Korean Empire. -
The Panama Canal, inaugurated on August 15, 1914, with its unique location at the narrowest point between the Atlantic Ocean and the Pacific Ocean, has had the effect of wide projections by shortening the distance and time. maritime communication, and has produced economic and commercial advances throughout most of the twentieth century.