The Six Days Campaign was fought from 10 February to 15 February during which time Napoleon inflicted four defeats on Blücher's Army of Silesia in the Battle of Champaubert, the Battle of Montmirail, the Battle of Château-Thierry, and the Battle of Vauchamps. Napoleon's 30,000-man army managed to inflict 17,750 casualties on Blücher's force of 50,000–56,000.