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However, the first commercially successful district heating system was launched in Lockport, New York, in 1877 by American hydraulic engineer Birdsill Holly, considered the founder of modern district heating. [226]
The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War
The United States population had some semi-unique advantages in that they were former British subjects, had high English literacy skills, for that period, including over 80% in New England, had stable institutions, with some minor American modifications, of courts, laws, right to vote, protection of property rights and in many cases personal ...
1508 – First European colony and oldest known European settlement in a United States territory is founded at Caparra, Puerto Rico, by Juan Ponce de León. 1512 – Laws of Burgos; 1513 – Vasco Núñez de Balboa crosses isthmus of Panama, sees the Pacific Ocean. 1513 – Ponce de León defeats Tlaxcala, a small state neighboring the Aztec ...
However, other inventors before Bell had worked on the development of the telephone and the invention had several pioneers. [430] 1877: Thomas Edison invents the first working phonograph. [431] 1878: Henry Fleuss is granted a patent for the first practical rebreather. [432] 1878: Lester Allan Pelton invents the Pelton wheel.
The 13 British North American provinces of Virginia, Massachusetts Bay, Maryland, Connecticut, Rhode Island and Providence Plantations, New York, New Jersey, New Hampshire, Pennsylvania and Delaware, South Carolina, North Carolina, and Georgia united as the United States of America declare their independence from the Kingdom of Great Britain on ...
Dr. Martin Luther King, Jr. speaking before crowd of 25,000 Selma To Montgomery, Alabama civil rights marchers, in front of Montgomery, Alabama state capital building. (Photo by Stephen F ...
March 4, 1825 – Adams becomes the sixth president; Calhoun becomes the seventh vice president; 1825 – Erie Canal is finally completed 1826 – Former presidents Thomas Jefferson and John Adams die on the same day, which happens to be on the fiftieth anniversary of the approval of the Declaration of independence.