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Alcatraz discovered
Discovered by Spanish explorer Lt. Juan Manuel de Ayala -
Alcatraz turned into a military prison
Alcatraz got turned into a military prison and military defense site -
Period: to
Alcatraz used as a military prison
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Alcatraz turned into a federal prison
Home to many famous prisoners -
Period: to
Alcatraz used as a federal prison
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Theodore Cole and Ralph Roe's escape attempt
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Frank Morris, John Anglin, and Clarence Anglin attempt to escape
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Alcatraz Closed as a federal prison
Closed due to high operating costs -
Period: to
Native American Protests
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Alcatraz becomes a historical landmark and popular tourist destination
