History of Venezuela reconquest. Only as part of Bolívar's campaign to liberate New Granada in 1819-20 did Venezuela achieve a lasting independence from Spain (initially as part of Gran Colombia). On 17 December 1819, the Congress of Angostura declared Gran Colombia an independent country. After two more years of war, the country achieved independence from Spain in 1821 under the leadership of its most famous son, Simón Bolívar. Venezuela, along with the countries of Colombia, Panama, and Ecuador, formed part of the Republic of Gran Colombia until 1830, when Venezuela became a separate sovereign country. Some Venezuelans began to grow resistant to colonial
Gran Colombia title of his archive of his revolutionary activities. Simon Bolívar and other Spanish American revolutionaries also used the word "Colombia" in the continental sense. The establishment in 1819 of a country with the name "Colombia" by the Congress of Angostura gave the term a specific geographic and political reference. The Republic of Colombia comprised more or less the former territories of the Viceroyalty of New Granada (1739-1777), which it claimed under the legal principle of "uti possidetis". It united the territories of the former Third Republic of Venezuela, the United Provinces of New Granada, the former Royal Audiencia of Panama