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Alcatraz Island ( / ˈælkəˌtræz /) is a small island 1.25 miles (2.01 km) offshore from San Francisco, California, United States. [1] The island was developed in the mid-19th century with facilities for a lighthouse, a military fortification, and a military prison. In 1934, the island was converted into a federal prison, Alcatraz Federal ...
- 22 acres (8.9 ha)
- San Francisco, California
- 1934; 89 years ago
Alcatraz, former maximum-security prison located on Alcatraz Island in San Francisco Bay, off the coast of California. Alcatraz, originally envisioned as a naval defense fortification, was designated a residence for military offenders in 1861, and it housed a diverse collection of prisoners in its
- The Editors of Encyclopaedia Britannica
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Nov 24, 2020 · Initially discovered by a Spanish explorer in 1775 (its name literally meant Isle of the Penguins originally), Alcatraz Island was first used by the US military in 1853, when it established a base there, transforming it into Fortress Alcatraz. This heavily fortified structure was completed in 1859. In the course of the American Civil War, the ...
- Sarah Roller
Mar 31, 2024 · Alcatraz Island, rocky island in San Francisco Bay, California, U.S. The island occupies an area of 22 acres (9 hectares) and is located 1.5 miles (2 km) offshore. Alcatraz Island. The federal penitentiary on Alcatraz Island, San Francisco Bay, California. The island had little vegetation and was a seabird habitat when it was explored in 1775 ...
- The Editors of Encyclopaedia Britannica
The name Alcatraz is derived from the Spanish "Alcatraces." In 1775, the Spanish explorer Juan Manuel de Ayala was the first to sail into what is now known as San Francisco Bay—his expedition mapped the bay and named one of the three islands Alcatraces. Over time, the name was Anglicized to Alcatraz.
In 1775, the Spanish explorer Juan Manuel de Ayala was the first to sail into what is now known as San Francisco Bay - his expedition mapped the bay and named one of the three islands Alcatraces. Over time, the name was Anglicized to Alcatraz. While the exact meaning is still debated, Alcatraz is usually defined as meaning "pelican" or "strange ...
The Battle of Alcatraz. On May 2, 1942, residents of San Francisco, alerted by wailing sirens, gathered on the waterfront to watch smoke rising from Alcatraz Island. A group of prisoners, led by bank robber Bernard Coy, had broken into the prison gun gallery. Arming themselves and setting other prisoners free, they took several guards hostage ...
