Question: When did the Emperor of the French rule, whose last victorious battle was also The Battle of Saint-Dizier?

Related documents: [0]  [DOC] The Battle of Saint-Dizier was a battle during the War of the Sixth Coalition, fought on 26 March 1814, and is notable as Napoleon's last victory before he abdicated. [END] 
[1]  [DOC] Napoléon Bonaparte ( ; ] ; 15 August 1769 – 5 May 1821) was a French military and political leader who rose to prominence during the French Revolution and led several successful campaigns during the French Revolutionary Wars. As Napoleon I, he was Emperor of the French from 1804 until 1814, and again briefly in 1815 (during the Hundred Days). Napoleon dominated European and global affairs for more than a decade while leading France against a series of coalitions in the Napoleonic Wars. He won most of these wars and the vast majority of his battles, building a large empire that ruled over continental Europe before its final collapse in 1815. One of the greatest commanders in history, his wars and campaigns are studied at military schools worldwide. Napoleon's political and cultural legacy has endured as one of the most celebrated and controversial leaders in human history. [END]  
Answer: 1804 until 1814
1804 until 1814