Home to advanced Indigenous civilizations, including the Muisca, prior to 16th-century Spanish colonization.
1819: Simón Bolívar defeats Spanish forces at Boyacá; the Congress of Angostura founds Gran Colombia later that year.
1831: Dissolution of Gran Colombia leaves the Republic of New Granada, forerunner of present-day Colombia, as an independent republic.
1899–1902: Devastating civil war ("Thousand Days' War"); Panama's secession in 1903, after the Colombian Congress rejects a canal treaty, follows the war.
1948–1958: *La Violencia* period triggers decades of partisan violence and instability.
Late 20th Century: Armed conflict involving left-wing guerrillas, paramilitaries, and powerful drug cartels challenges state security.
2016: Peace accord signed with FARC guerrillas, opening a path toward economic modernization and regional integration.