12/10/1933 Alcatraz Citadel becomes the Federal Penitentiary
Alcatraz (4K) - San Francisco
Inside Alcatraz Federal Prison
The Alcatraz Federal Penitentiary was a maximum high-security federal prison on Alcatraz Island off the coast of San Francisco, California. Alcatraz had been the site of citadel since the 1860s. On this day the United States Disciplinary Barracks, Pacific Branch on Alcatraz was acquired by the United States Department of Justice. In August 1934 the island became a prison.