Napoleon Bonaparte History: October 15, 1815 - Napoleon Bonaparte exiled on Island of St. Helena August 8, 1815 - Napoleon Bonaparte set sail for exile on St. Helena December 16, 1809 - Napoleon Bonaparte divorces Empress Josephine by French Senate December 2, 1804 - Napoleon Bonaparte crowned emperor of France in Paris by Pope Pius VII May 18, 1804 - Napoleon Bonaparte proclaimed Emperor of France May 18, 1803 - Britain declares war on France after Napoleon Bonaparte continues interfering in Italy and Switzerland July 21, 1798 - Napoleon Bonaparte wins Battle of Pyramids in Egypt March 9, 1796 - Napoleon Bonaparte marries Josephine de Beauharnais September 28, 1785 - Napoleon Bonaparte (16) graduates from the military academy in Paris (42nd in a class of 51) August 15, 1769 - Napoleon Bonaparte, resident of Elba, emperor 1804 - 1813, 1814 - 1815