A History of Alcatraz Island since 1853

The small island known in sea charts by its Spanish name Isla de los Alcatraces or "Island of Pelicans" laid essentially dormant until the 1850s, when the US military converted the island into a fortress to protect the booming San Francisco region. Alcatraz served as a pivotal military position until the early 20th century and in 1934 was converted into a federal penitentiary ...