After the wars of independence, a series of conflicts demonstrated the importance of the navy to the nation. First of these conflicts were the War of the Confederation (1836–1839), the Chincha Islands War (1864–1866), and the War of the Pacific (1879–1883). The founding of Fuerte Bulnes in the Strait of Magellan marked the starting point of a series of Chilean Navy explorations, led by navy hydrographers, such as Francisco Vidal Gormaz and Francisco Hudson, in the unknown zone between the Strait of Magellan and Chiloé. To deal with this new area of activity, the navy founded in 1874 the Hydrographic Office, whose first director was Francisco Vidal Gormaz.