Simón Bolívar delivered his Address at Angostura, outlining republican governance ideas and urging political unity during the independence wars—an ideological precursor to the later union known as Gran Colombia.
Patriot forces won the Battle of Boyacá, a decisive victory that opened Bogotá and effectively freed New Granada from Spanish control—strengthening the political and military basis for a larger republican union.
The Congress of Angostura enacted the Fundamental Law of the Republic of Colombia, proclaiming a single republic uniting Venezuela and New Granada (the state later known historiographically as Gran Colombia).
At the Battle of Carabobo, patriot victory largely ended effective Spanish control in Venezuela, enabling the Cúcuta-era state to claim broader sovereignty over its Venezuelan department.
The Congress of Cúcuta adopted and signed the Constitution of 1821 (Constitution of Cúcuta), formally organizing the Republic of Colombia as a centralized representative republic with Bolívar as president and Santander as vice president.
The former Presidency of Quito (roughly modern Ecuador) became incorporated into Gran Colombia’s republican framework as the Quito Department, extending the union’s territorial scope beyond New Granada and Venezuela.
La Cosiata, led by José Antonio Páez and allies, began in Valencia as a political movement seeking constitutional change and, increasingly, Venezuelan autonomy—an early major rupture in the union’s republican state-building project.
Delegates met at the Convention of Ocaña to reform or replace the 1821 Constitution and resolve centralist–federalist conflict; the convention collapsed without agreement, deepening the political crisis.
Territorial disputes escalated into open conflict between Gran Colombia and Peru, straining finances and cohesion while compelling military mobilization across the union’s southern theaters.
After the Ocaña breakdown, Bolívar assumed extraordinary authority and began governing as a dictator, a move intended to preserve unity but which intensified opposition and accelerated fragmentation.
A coordinated attack on the presidential palace in Bogotá sought to assassinate Bolívar; he escaped, and the aftermath included harsh political reprisals, further polarizing Gran Colombia’s republican coalition.
Gran Colombia and Peru signed the Treaty of Guayaquil (Larrea–Gual Treaty), formally ending the 1828–1829 war and restoring a status quo framework—though border issues persisted afterward.
Amid escalating secessions and political crisis, Simón Bolívar resigned as president, underscoring the collapse of consensus behind the union’s central government.
Quito’s southern district declared independence, forming the State of Ecuador—a decisive step signaling the unraveling of Gran Colombia’s tripartite departmental structure.
The Constituent Congress at Valencia sanctioned the 1830 Venezuelan constitution, formalizing Venezuela’s independent state institutions and consummating its separation from Gran Colombia.
Bolívar died near Santa Marta after resigning and as the union disintegrated; his death symbolized the end of the principal political project holding Gran Colombia together.
By 1831, the remaining central government structures collapsed as successor republics consolidated, leaving the Republic of New Granada as the principal remnant after Venezuela and Ecuador’s secessions.
Gran Colombia (1819–1831)
