According to a rebel in 2069, liars were enemies of the revolution. (COMIC: City of Doom)
At the end of the 22nd century Dalek invasion, the First Doctor assisted a human revolution against the Daleks. (TV: The Dalek Invasion of Earth)
On Xeros, Vicki Pallister helped the Xerons in starting a revolution against the Moroks in an attempt to prevent a timeline where she, the First Doctor, Ian Chesterton and Barbara Wright became museum exhibits. (TV: The Space Museum)