This Day in History: , Napoleon Is Defeated at Waterloo.<br />June 18, 1815.<br />One of the greatest <br />military strategists of all <br />time, Napoleon was defeated <br />by the Duke of Wellington.<br />Crowned Emperor of <br />France in 1804, he had <br />been waging war across <br />Europe for decades.<br />In 1812, Napoleon's <br />military luck began to <br />run out. He suffered <br />major defeat in 1814.<br />After a brief exile on <br />the island of Elba, he <br />raised his Grand Army and <br />marched them into Belgium.<br />Near the village of <br />Waterloo, Napoleon was <br />defeated once and for all. He <br />returned to Paris and abdicated.<br />Under British protection, <br />he was again exiled to a <br />remote island were he would <br />live until his death, six years later