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Timeline of United States inventions (1890–1945) Robert H. Goddard (1882–1945), the American physicist and inventor who built and launched the world's first liquid-propellant rocket on March 16, 1926. [1] Goddard held 214 patents for his inventions and pioneering innovations in liquid-propelled, guided, and multi-stage rockets.
The Wright brothers, Orville Wright (August 19, 1871 – January 30, 1948) and Wilbur Wright (April 16, 1867 – May 30, 1912), were American aviation pioneers generally credited with inventing, building, and flying the world's first successful airplane. [3] [4] [5] They made the first controlled, sustained flight of an engine-powered, heavier ...
The city of Philadelphia was founded and incorporated in 1682 by William Penn in the English Crown Province of Pennsylvania between the Delaware and Schuylkill rivers. Before then, the area was inhabited by the Lenape people. Philadelphia quickly grew into an important colonial city and during the American Revolution was the site of the First ...
The telegraph represented a disruptive innovation in the history of the United States from its invention in the 1830s onward by quickly becoming a vital part of the nation's communication infrastructure. Its relative importance declined with the spread of telephones in the 20th century. Telegraph service permitted short texts to be sent cheaply ...
Website. www.phila.gov. Philadelphia, colloquially referred to as Philly, is the most populous city in the U.S. state of Pennsylvania [ 11] and the sixth-most populous city in the nation, with a population of 1,603,797 in the 2020 census. The city is the urban core of the larger Delaware Valley, also known as the Philadelphia metropolitan area ...
2004: First podcast, invented by Adam Curry and Dave Winer, is a program made available in digital format for download over the Internet and it usually features one or more recurring hosts engaged in a discussion about a particular topic or current event. [523] [524] [525] 2005: YouTube, the first popular video-streaming site, was founded
See Battle of Fallen Timbers. [ 1] Downtown Cincinnati in 2010. The history of Ohio as a state began when the Northwest Territory was divided in 1800, and the remainder reorganized for admission to the union on March 1, 1803, as the 17th state of the United States. The recorded history of Ohio began in the late 17th century when French ...
1086993 [2] Website. www .akronohio .gov. Akron ( / ˈækrən /) is a city in and the county seat of Summit County, Ohio, United States. At the 2020 census, the city proper had a total population of 190,469, making it the fifth-most populous city in Ohio and 136th-most populous city in the United States. The Akron metropolitan area, covering ...