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
Second Republic of Venezuela of Angostura in 1819, which wrote a new constitution for Venezuela, replacing the one from 1811, which in theory, was still valid, although suspended since the collapse of the first republic in 1812. The congress decreed the union of Venezuela with New Granada in a new republic, known as "Gran Colombia", bringing an end to the Third Republic. From 1820 to 1830, the territory of Venezuela was the Department of Venezuela within Gran Colombia. After the dissolution of Gran Colombia, Venezuela became once again the Republic of Venezuela, and although undergoing various changes in constitutions and forms of government, it