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Spanish explorer Juan Manuel de Ayala mapped and maned rugged Alcatraz Island
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The United States government gained control of the island from Mexico in 1849.
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President Millard Fillmore signed an order reserving he island for military use.
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the first military prisoners were being housed on the island.
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it was named the Pacific Branch of the U.S. Military Prison.
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When this new complex was finished in 1912 it was the world's largest reinforced concrete building.
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Army relinquished Alcatraz to the U.S. Justice Department.
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Al Capone did spent four and a half years on Alcaraz.
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Existing complex at Alcatraz more secure, the maximum-security facility officially opened
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six prisoners overpowered cell house officers and were able to gain access to weapons, but not the keys needed to leave the prison.
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Frank Morris and other 2 man success to escape Alcatraz, but we didn't know that they dies in ocean or they alive
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Because of cost, Federal prison was closed
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A group of Native Americans led by Nohawk activist Richard Oaked arrived on Alcatraz
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Oakes left Alcatraz, because of death of his stepdaughter in 1970
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Native Americans were removed by order of President Richard M. Nixon.
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The Island became part of the Golden Gate National Recreation Area.
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Opened to the public.