The Bessemer process was the first inexpensive industrial process for the mass production of steel from molten pig iron before the development of the open hearth Furnace .the key principle is removal of impurities from the iron by oxidation with air being blown through the molten iron
The Independence Hall Association was founded in 1942 to be the driving force behind the creation of Independence National Historical Park, in Philadelphia, Pennsylvania. In 1995, it created the website that today is called UShistory.org, with over 3 million page views monthly.
Drugs are a hazud to the body people may take drug but soner or later there going to die
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From 1957 to 1968, King traveled over 6 million miles and spoke over 2,500 times. ...
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Post-classical history (also called the post-antiquity era, post-ancient era, or pre-modern era) is a periodization commonly used by the school of "world history" instead of Middle Ages (Medieval), which is roughly synonymous.[1] The period runs from about AD 500 to 1450 though there may be regional differences and debates. The era was globally characterized by the expansion of civilizations geographically and development of networks of trade between civilizations
