Nov. 15, 1533: Francisco Pizarro (at right) and his small band of conquistadores arrive at the Incan capital of Cuzco, in modern-day Peru, to complete his conquest of the Incan Empire. Pizarro fails to find the gold that was the main object of his conquest, and he is killed in a coup eight years later.
Nov. 15, 1973: The Quebec Association of Indians, a coalition of Cree and other native groups, secures a court order to block construction of a massive hydroelectric project that would flood portions of their homeland near James Bay, Canada.
Nov. 15, 1990: U.S. President George H.W. Bush signs key amendments to the Clean Air Act, sharply reducing acid rain emissions and limiting other toxics in air pollution.
Nov. 15, 2012: Bankrupt and facing lawsuits alleging environmental damage, Patriot Coal Corporation becomes the first major coal firm to pledge to phase out mountaintop removal mining in the Appalachians.
Photo: Wikimedia Commons
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