REVOLUTIONS-PERIODS OF RAPID AND DRAMATIC Changes which turned world upside down.Revolutions are of many types like political revolution,cultural revolution,Industrial revolution,or technological revolution. Political revolution takes place when people become so fed up or unhappy with their rulers they overthrow them.and set up a new government. Some of the political revolution of the world which changed the history.were- AMERICAN REVOLUTION ( 1775 - 1783 ) In this revolution 13 colonies throw off British rule to become the present United States...