Fort San Diego was built in the early seventeenth century and served as protection from the Spanish merchant ships. The construction lasted for two years in 1615 1617 years. In the role unshakable strongholds Fort lasted until the XIX century. Nowadays its detailed restoration has engaged the national Institute of anthropology and history.

The Fort is a huge in terms pentagonal star. The project was completed by Adrian booth, who has successfully built Fort San Juan de ulúa in Veracruz. Here in Europe went Laden Galleons.

Jose Maria Morelos, a leader of the war of independence, took over the Fort in 1813. They say that's when he said his famous phrase "long live Spain, sister, but not the lady of America! ".

In 50-ies of the eighteenth century Fort San Diego was badly damaged by the earthquake. After the buildings have been renovated, engineering, and architectural features have been retained. Today it is the oldest architectural structure in the territory of Acapulco.

Today it houses the municipal historical Museum of Acapulco. The exhibits include household items, jewelry, telling about the life of local aboriginal people who lived here before the Spanish era. Here you can see a collection of documents which attest the trade relations with Asia, as well as various weapons, which was defended by a Fort. The largest exhibit, of course, is a Spanish Galleon of the eighteenth century. This giant displacement of more than two thousand tons, was equipped with all sorts of defensive devices.

Today, Fort San Diego is one of the main attractions of Acapulco, which attracts tourists from all over the world.