I need different ideas on what a revolution is, any ideas?

Question

anonymous · Answer

a revolution is like a overthrow of one government and its replacement of another .

anonymous · Answer

The four classic political/social revolutions were 

The English Revolution
American Revolution 
French Revolution 
Bolshevik Revolution 

But there were countless revolutions throughout history.

anonymous · Answer

It can also be a dramatic social shift involving ideas and invention, such as the Industrial Revolution at the turn of the 20th century, or the Digital Revolution that led to the creation of the computers and mobile devices we use today.