 Complete the following phrase:  Ghigny was promoted to major on 29 October 1803 and named a Chevalier of the Légion dHonneur on 15 June 1804. The 12th Chasseurs à Cheval fought at the Battle of Austerlitz in 1805 and at the Battle of Auerstadt in 1806. In the latter action the regiment was brigaded with the 1st and 2nd Chasseurs à Cheval in the III Corps under Marshal Louis-Nicolas Davout. Ghigny was appointed lieutet colonel on 23 October 1806. The battle honors of the 12th Chasseurs also include the battles of Czarnowo and 