Federal prisoners land on Alcatraz
August 11, 1934
A group of federal prisoners classified as “most dangerous” arrives at Alcatraz Island, a 22-acre rocky outcrop situated 1.5 miles offshore in San Francisco Bay, on August 11, 1934. The convicts—the first civilian prisoners to be housed in the new high-security penitentiary—joined a few dozen military prisoners left over from the island’s days as a U.S. military prison.

Alcatraz was an uninhabited seabird haven when it was explored by Spanish Lieutenant Juan Manuel de Ayala in 1775. He named it Isla de los Alcatraces, or “Island of the Pelicans.” Fortified by the Spanish, Alcatraz was sold to the United States in 1849. In 1854, it had the distinction of housing the first lighthouse on the coast of California. Beginning in 1859, a U.S. Army detachment was garrisoned there, and from 1868 Alcatraz was used to house military criminals. In addition to recalcitrant U.S. soldiers, prisoners included rebellious Indian scouts, American soldiers ...