revolution

A revolution (from Late Latin revolutio which
means "a turnaround") is a significant change that usually occurs in a relatively shortperiod of time. Variously defined revolutions have been happening throughouthuman history. They vary in terms of numbers of their participants (revolutionaries), means employed by them, duration, motivating ideology andmany other aspects. They may result in a socio-political change in thesocio-political institutions, or a major change in a culture or economy. Scholarly debates about what is and what is not a revolution center aroundseveral issues. Early study of revolutions primarily analyzed events in Europeanhistory from psychological perspective[citation needed], soon however newtheories were offered using explanations for more global events and using worksfrom other social sciences such as sociology and political sciences. Severalgenerations of scholarly thought have generated many competing theories onrevolutions, gradually increasing our understanding of this complexphenomenon