Unrest

Unrest (also called disaffection) is a sociological phenomenon, for instance: Industrial unrest
Labor unrest
Rebellion
Riot

Notable historical unrests

19th century Luddites
1978–79 Winter of Discontent (UK)
1989 Purple Rain Revolt, (South Africa)
2003 Maldives civil unrest
2004 Unrest in Kosovo
2005 Belize unrest
May 2005 unrest in Uzbekistan