Alcatraz Federal Penitentiary Alcatraz Federal Penitentiary The Alcatraz Federal Penitentiary or United States Penitentiary, Alcatraz Island (often just referred to as Alcatraz or The Rock) was a maximum high-security federal prison on Alcatraz Island, off the coast of San Francisco, California, which operated from August 11, 1934, until March 21, 1963. The main prison building was built in 1910–1912 during its time as a United States Army military prison; Alcatraz had been the site of a citadel since the 1860s. The United States Disciplinary Barracks, Pacific Branch on Alcatraz had been acquired by the United States Department of Justice on October 12, 1933,
Occupation of Alcatraz Occupation of Alcatraz The Occupation of Alcatraz was an occupation of Alcatraz Island by 89 American Indians and supporters, led by Richard Oakes, LaNada Means, and others. They chose the name Indians of All Tribes (IOAT) and John Trudell was the spokesperson. According to the IOAT, under the Treaty of Fort Laramie (1868) between the U.S. and the Lakota, all retired, abandoned or out-of-use federal land was returned to the Native people who once occupied it. Since Alcatraz penitentiary had been closed on March 21, 1963, and the island had been declared surplus federal property in 1964, a number of