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  1. 7 hours ago · The history of coal mining in the United States starts with the first commercial use in 1701, within the (Manakin-Sabot) area of Richmond, Virginia.Coal was the dominant power source in the late 1800s and early 1900s, and although in rapid decline it remains a significant source of energy in 2023.

  2. en.wikipedia.org › wiki › TehranTehran - Wikipedia

    7 hours ago · Tehran ( / tɛəˈræn, - ˈrɑːn, ˌteɪ -/; Persian: تهران Tehrân [tehˈɾɒːn] ⓘ) is the capital and largest city of Iran and also the largest city in Tehran Province. It also serves as the capital of the province, county and the Central District. [6] With a population of around 9.4 million in the city, and 16.8 million in the ...