linea de tiempo: presidentes de colombia desde 1970 By nikolas.contreras13 Period: Jan 1, 1970 to Sep 27, 2011 presidentes desde 1970 Aug 7, 1970 misael pastrana Aug 7, 1974 alfonso lopez michelsen Aug 7, 1978 julio cesar turbay Aug 7, 1982 belisario betancur Aug 7, 1986 virgilio barco Aug 7, 1990 cesar gaviria Aug 7, 1994 ernesto samper Aug 7, 1998 andres pastrana Aug 7, 2002 alvaro urive Aug 7, 2006 alvaro urive Aug 7, 2011 juan manuel santos