Napoleon changed all that. In the years of peace between 1800 and 1805, he reorganized the French military, bringing different forces together to form the Grande Armée, 210,000 men strong. He divided this army into several corps, each with its own cavalry, infantry, artillery, and general staff. Each was led by a marshal general, usually a young officer of proven strength in previous campaigns. Varying in size from 15,000 to 30,000 men, each corps was a miniature army headed by a miniature Napoleon.
