In 1630, due to the short distance between La Punta and El Morro and to increase the protection of the bay, a heavy copper chain was laid between them.

In 1851 the Spanish executed most of the prisoners they held at La Punta, including Venezuelan adventurer Narciso López, after a failed attempt to liberate Cuba that caused outrage in the United States.

[1] Havana's inability to resist invaders was dramatically exposed in 1628, when a Dutch fleet led by Piet Heyn plundered the Spanish ships in the city's harbor.

[2] Nearly a century later, the British Royal Navy launched another invasion, capturing Guantánamo Bay in 1741 during the War of Jenkins' Ear with Spain.

[4] When Havana surrendered, the admiral of the British fleet, George Keppel, the 3rd Earl of Albemarle, entered the city as a new colonial governor and took control of the whole western part of the island.

The arrival of the British immediately opened up trade with their North American and Caribbean colonies, causing a rapid transformation of Cuban society.

[4] In 1781, General Bernardo de Gálvez, the Spanish governor of Louisiana, reconquered Florida for Spain with Mexican, Puerto Rican, Dominican, and Cuban troops.

However, the proximity to the sea, adverse weather conditions, and corrosion agents affected the facility in a few years, which was forced to close the doors due to the danger to its collections.