Periods
Hopi Indians used coal to create clay pottery.
The Hopi Indians, who lived in southern America, were a group of Native AmericansBaltimore becomes the first state to generate streetlights with coal.Industrial Revolution beginsThe steam shovel is invented and eventually becomes instrumental in mechanizing surface coal mining.Industrial Revolution EndsCoal was the first source used as a fuel when creating steel.The United Mine Workers of America is formed.Coal Strike Begins1000 Coal Strikes OccurCoal becomes a popular fuel that’s used to generate electricity.African American killed during coal strikeCongress passes and President signs into law the Energy Policy Act of 2005 that promotes increased use of coal through clean coal technologies.
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