History of Mankind is dotted with many bloody wars which was reason for mass destruction of life and property. In stone ages, Human fought with Nature for his survival, later they started fighting within themselves.
Wars are not fought for need, but rather for greed. War is a crime, for whatever reason it is fought for. This App brings forth a collection of Major Wars that were fought from 16th century.
Great Men make Peace, just read the quote of Rudyard Kipling to understand it better.
If: A Father's Advice to His Son.
“If you can walk with the crowd and keep your virtue, or walk with Kings-nor lose the common touch; If neither foes nor loving friends can hurt you; If all men count with you, but none too much; If you can fill the unforgiving minute with 60 seconds worth of distance run- Yours is the earth and everything that's in it, And-which is more-you'll be a man my son.”