Our life comprises of events that are interlinked to incidents which have occurred in the past or will happen in the future. Newton's law, that each action has an equal and opposite reaction, holds true in this case too. It is also true that we can neither control the past or the future; wisdom lies in learning from the mistakes of the past so that we can prevent them in future. As a kid many of us must have asked why we have to study history. The answer to the question is right here. So without further ado let us delve into the pages of history and find out what happened on March 20. You'll be surprised to realize how much has occurred on this date over the years. From formation of the Republican Party in United States to the beginning of Napoleon's Hundred Days rule to the invasion of Iraq, or the disastrous earthquake that devastated and entire city in Argentina, this day in history has been witness to many a great events. Be prepared to be transported into the era of black and white as you scroll down further. Let your imagination run wild as you envision these incidents in your mind’s eye.