Colombia
https://en.m.wikipedia.org/wiki/Colombia

History of Colombia
https://en.m.wikipedia.org/wiki/History_of_Colombia

Timeline of Columbian history
https://en.m.wikipedia.org/wiki/Timeline_of_Colombian_history

Vice Royalty of New Granada
https://en.m.wikipedia.org/wiki/Viceroyalty_of_New_Granada

Spanish Inquisition
https://en.m.wikipedia.org/wiki/Spanish_Inquisition

Thousand Days' War
https://en.m.wikipedia.org/wiki/Thousand_Days%27_War

Panama-Columbian separation
https://en.m.wikipedia.org/wiki/Panama–Colombia_separation

La Violencia
https://en.m.wikipedia.org/wiki/La_Violencia

FARC
https://en.m.wikipedia.org/wiki/History_of_FARC

ELN
https://en.m.wikipedia.org/wiki/National_Liberation_Army_(Colombia)

Colombian conflict
https://en.m.wikipedia.org/wiki/Colombian_conflict

National Front (1958-1974)
https://en.m.wikipedia.org/wiki/National_Front_(Colombia)

US Plan Colombia
https://en.m.wikipedia.org/wiki/Plan_Colombia

COLUMBIA

Map: Columbia
http://www.nationsonline.org/oneworld/map/colombia_map.htm

Congressional Research Service Report
http://www.fas.org/sgp/crs/row/R42982.pdf

Congressional Research Service Report
http://www.fas.org/sgp/crs/row/RL32250.pdf

BBC Profile
http://www.bbc.com/news/world-latin-america-19390026
Timeline
http://www.bbc.com/news/world-latin-america-19390164

InSight Crime: Columbia
http://www.insightcrime.org/colombia-organized-crime-news

Washington Office on Latin America: Columbia
http://www.wola.org/program/colombia

Center for Justice and Accountability: Columbia
http://www.cja.org/index.php

Country Study (Library of Congress)
http://lcweb2.loc.gov/frd/cs/pdf/CS_Colombia.pdf

CIA World Factbook
https://www.cia.gov/library/publications/the-world-factbook/geos/co.html

Chiefs of State and Cabinet Members of Foreign Governments (CIA World Factbook)
https://www.cia.gov/library/publications/world-leaders-1/CO.html

Latin American Network Information Center (LANIC)
http://lanic.utexas.edu/la/sa/columbia/

US Embassy
http://bogota.usembassy.gov/

US Bilateral Relations Fact Sheets (US Department of State)
http://m.state.gov/md35754.htm

USAID
http://www.usaid.gov/where-we-work/latin-american-and-caribbean/colombia

What kind of war for Columbia? (Council on Foreign Relations)
http://www.cfr.org/colombia/kind-war-colombia/p4737