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The timeline of North American telegraphy is a chronology of notable events in the history of the electric telegraphy in the United States and Canada, including the rapid spread of telegraphic communications starting from 1844 and completion of the first transcontinental telegraph line in 1861.
In 1983, N. T. Rama Rao (NTR), a popular Telugu actor, established his Telugu Desam Party (Telugu Desam, meaning Land of Telugus) with the support of people's dissent arising out of frequent changes in chief ministers of Andhra Pradesh by Prime Minister Indira Gandhi. He ran on a platform of "Telugu Pride".
The word telegraph alone generally refers to an electrical telegraph. Wireless telegraphy is transmission of messages over radio with telegraphic codes. Contrary to the extensive definition used by Chappe, Morse argued that the term telegraph can strictly be applied only to systems that transmit and record messages at a
Morse patented the system and tried to persuade Congress to adopt it as a government-owned and operated system like the post office. However, the Democrats in power were hostile to federal spending. In 1837, Morse obtained funding from Congress to build a telegraph line between Washington and Baltimore, a distance of about forty miles.
The patented invention proved lucrative and by 1851 telegraph lines in the United States spanned over 20,000 miles (32,000 kilometres). [13] Morse's most important technical contribution to this telegraph was the simple and highly efficient Morse Code , co-developed with Vail, which was an important advance over Wheatstone's more complicated ...
The Chinese traveller Xuanzang visited Kanchipuram under Pallava rule), and extolled its benign government. [15] The period was characterized by conflict with the Chalukyas of Badami in the north and the Tamil states of Chola and Pandyas in the south. During the ninth century, the Pallavas were succeeded by the Chola dynasty
America Online CEO Stephen M. Case, left, and Time Warner CEO Gerald M. Levin listen to senators' opening statements during a hearing before the Senate Judiciary Committee on the merger of the two ...
1843 – Samuel Morse builds the first long-distance electric telegraph line. 1899 – The Marconi Wireless Telegraph Company of America was incorporated in New Jersey, and Spencer Trask & Co., an American investment service, underwrote the IPO. This was a subsidiary of the British Wireless Telegraph and Signal Company. [17] [18] [19]