9 January – The Colombian government announces it is suspending peace talks with the Revolutionary Armed Forces of Colombia (FARC) and plans to enter the demilitarized zone.[5]
15 July – Amnesty International issues a 'fear for safety' public statement on SINTRAELECOL Human Rights officer Rodrigo Acevedo and other union members. This came after multiple apparent attempts on his life and the murders of at least 160 trade unionist murders in 2001.[18]
August
7 August – Álvaro Uribe and Francisco Santos Calderón are inaugurated as the 31st president and 8th vice president of Colombia.[3]
7 August – 14 people are killed in a FARC missile attack on the Casa de Nariño during Uribe's inauguration.[19]
7 November – Gilberto Rodríguez Orejuela, a drug lord from the Cali Cartel is granted early release after serving 7 years in prison on the basis of good behavior, despite efforts by the U.S. government to stop his release.[22]
December
11 December – Police discover a number of cars rigged with remote control steering and explosives, believed to be prepared for attacks in Bogotá. They manage to defuse 5 cars bombs.[23]
24 December – At a check-point in Paime, Cundinamarca, councilman José Alirio Macías is killed by the FARC-EP.[24]