As Napoleon I , he was Emperor of the French from 1804 to 1815 .
Napoleon Bonaparte ( 15 August 1769 -- 5 May 1821 ) was a French military and political leader during the latter stages of the French Revolution .
As leader   , he was Emperor of the French from 1804 to 1815 .
Napoleon Bonaparte ( 15 August 1769 -- 5 May 1821 ) was a French military and political leader during the latter stages of the French Revolution .