Colombia historical timeline

Chronology

from c. 12,000 BCE — Colombia has been home to many Indigenous peoples and cultures since at least this date. Between 5000 and 1000 BCE hunter-gatherers become agrarian, settlements become fixed and pottery appears.
1st millennium BCE onward — The Muisca, Zenú, Quimbaya and Tairona develop cacicazgos, chiefdoms with a pyramidal structure of power headed by caciques. The Muisca hold the high plateau around modern Bogotá, and their goldwork is what the Museo del Oro is for.
1499 — Alonso de Ojeda, who had sailed with Christopher Columbus, reaches the Guajira Peninsula. Rodrigo de Bastidas makes the first exploration of the Caribbean coast in 1500, Christopher Columbus navigates nearby in 1502, and Balboa arrives in 1508.
mid-16th century — The Spanish have colonised much of present-day Colombia, establishing the New Kingdom of Granada. Conquistadors ally repeatedly with the enemies of Indigenous communities, and Indigenous allies are crucial to the conquest. The Indigenous population collapses through war and Eurasian disease, smallpox among it.
1538 — The Spanish found Santa Fé de Bogotá, later the capital of the Viceroyalty and of the country.
1717 — The Viceroyalty of New Granada is established, briefly removed and re-established in 1739, with its capital at Bogotá. It absorbs provinces that had been under New Spain or Peru.
1810 — The Colombian Declaration of Independence is issued on 20 July — now the national day. Cartagena becomes independent in November 1811, and the United Provinces of New Granada are proclaimed the same year under Camilo Torres Tenorio. The movement follows Haiti's independence of 1804, which gave support to Simón Bolívar.
1819 — After a Spanish reconquest, independence is secured and the Gran Colombia period begins: a union of present-day Colombia, Panama, Ecuador, Venezuela and parts of Guyana and Brazil. The Congress of Cúcuta adopts its constitution in 1821.
1830 — Internal political and territorial divisions dissolve Gran Colombia, leaving Colombia, Ecuador and Venezuela. Colombia is the first constitutional government in South America, and the Liberal and Conservative parties are founded in 1848 and 1849 — the two that later tear the country apart.
1858, 1863, 1886 — The country experiments with federalism as the Granadine Confederation and then, after a two-year civil war, the United States of Colombia, before becoming a centralised republic in 1886.
1903 — Panama secedes, with United States involvement driven by the canal. The US pays Colombia $25,000,000 in 1921, seven years after the canal was completed.
1948 — The Liberal presidential candidate Jorge Eliécer Gaitán is assassinated on 9 April. The riots in Bogotá known as El Bogotazo spread nationwide, and the period of La Violencia that follows claims at least 180,000 lives.
1950–1953 — Colombia enters the Korean War under Laureano Gómez — the only Latin American country to join in a direct military role — and its troops' resistance at Old Baldy is particularly remembered.
1958 — After Rojas is deposed, the Conservative and Liberal parties create the National Front: the presidency alternates between them every four years for sixteen years, with parity in other elected offices. It ends the party violence and closes politics to everyone else.
1960s onward — An asymmetric low-intensity armed conflict begins between government forces, leftist guerrillas and right-wing paramilitaries, escalating in the 1990s and concentrated in remote rural areas. The United States encouraged the Colombian military to attack leftist militias in the early 1960s as part of its fight against communism, and mercenaries and multinationals including Chiquita Brands have contributed to the violence.
2016 — President Juan Manuel Santos signs a peace agreement with the FARC to end the civil war. It remains in place, but many armed groups are still active, and delays in implementing it have brought a resurgence of violence in parts of the country — largely groups fighting for territory, the cocaine trade and other illicit economies. The memorial to the conflict's victims is called the Axis of Peace and Memory.

Verified against Wikipedia, September 2026.

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Checked against Wikipedia — Colombia has been home to many Indigenous peoples and cultures since at least 12,000 BCE; the Spanish landed in La Guajira in 1499 and by the mid-16th century had colonised much of present-day Colombia, establishing the New Kingdom of Granada; independence was declared in 1810 and secured in 1819 with the beginning of Gran Colombia, and the country experimented with federalism as the Granadine Confederation in 1858 and the United States of Colombia in 1863 before becoming a centralised republic in 1886, Between 5000 and 1000 BCE hunter-gatherer tribes transitioned to agrarian societies with fixed settlements and pottery, and from the 1st millennium BCE groups including the Muisca, Zenú, Quimbaya and Tairona developed the political system of cacicazgos with a pyramidal structure of power headed by caciques, Alonso de Ojeda, who had sailed with Columbus, reached the Guajira Peninsula in 1499; Spanish explorers led by Rodrigo de Bastidas made the first exploration of the Caribbean coast in 1500, Columbus navigated near the Caribbean in 1502, and in 1508 Vasco Núñez de Balboa arrived, The conquistadors made frequent alliances with the enemies of different Indigenous communities and Indigenous allies were crucial to conquest, and the Indigenous population of Colombia declined because of conquest and Eurasian diseases such as smallpox to which they had no immunity, The Viceroyalty of New Granada was established in 1717, temporarily removed and re-established in 1739, with its capital at Santa Fé de Bogotá, and included provinces previously under the Viceroyalties of New Spain or Peru, The last rebellion seeking outright independence from Spain sprang up around 1810 and culminated in the Colombian Declaration of Independence issued on 20 July 1810, now the national Independence Day; the movement followed the independence of Saint-Domingue in 1804, which provided support to Simón Bolívar, with Francisco de Paula Santander also playing a decisive role, Cartagena became independent in November 1811 and the United Provinces of New Granada were proclaimed the same year, headed by Camilo Torres Tenorio, after a movement initiated by Antonio Nariño who opposed Spanish centralism, The territory of the Viceroyalty of New Granada became the Republic of Colombia, a union of the current territories of Colombia, Panama, Ecuador, Venezuela and parts of Guyana and Brazil, and the Congress of Cúcuta adopted a constitution for it in 1821, Internal political and territorial divisions led to the dissolution of Gran Colombia in 1830, leaving Colombia, Ecuador and Venezuela; Colombia was the first constitutional government in South America, and the Liberal and Conservative parties were founded in 1848 and 1849 respectively, The United States' efforts to assert influence over the region, particularly regarding the Panama Canal, contributed to the secession of the Department of Panama in 1903, and the United States paid Colombia $25,000,000 in 1921, seven years after the canal was completed, La Violencia, a bloody conflict between the late 1940s and the early 1950s, was caused mainly by tensions between the two leading political parties and ignited after the assassination of the Liberal presidential candidate Jorge Eliécer Gaitán on 9 April 1948; the ensuing riots in Bogotá, known as El Bogotazo, spread throughout the country and claimed the lives of at least 180,000 Colombians, Colombia entered the Korean War under Laureano Gómez and was the only Latin American country to join the war in a direct military role as an ally of the United States, with the resistance of Colombian troops at Old Baldy particularly important, After Rojas' deposition the Colombian Conservative and Liberal parties agreed to create the National Front, under which the presidency alternated between conservatives and liberals every four years for sixteen years with parity between the parties, Since the 1960s Colombia has suffered an asymmetric low-intensity armed conflict between government forces, leftist guerrilla groups and right-wing paramilitaries, escalating in the 1990s mainly in remote rural areas; the United States encouraged the Colombian military to attack leftist militias in the early 1960s as part of its fight against communism, and mercenaries and multinationals such as Chiquita Brands International contributed to the violence, The Axis of Peace and Memory is a memorial to the victims of the Colombian conflict, dated from 1964 to the present (September 2026).
Checked against UK Government (GOV.UK; FCDO travel advice abroad) — Colombia suffered internal armed conflict for over 50 years, and in 2016 then-President Juan Manuel Santos signed a peace agreement with the FARC to end the civil war; the agreement is still in place but Colombia remains seriously affected by conflict, with delays in implementation leading to a resurgence in violence in parts of the country involving armed groups fighting for territory and the cocaine trade (September 2026).