Napoleon's escapes from Elba on February 26, 1815, where he was exiled after his forced abdication as French emperor in 1814, and begins his "Hundred Days" rule.
Napoleon gathered support in route to Paris, retook power on March 20 as ruler of France and wage war against the English and Prussian armies. All ending in his final defeat at the Battle of Waterloo on June 18 1815. More