 Complete the following phrase:  Berckheim became a member of the Légion dHonneur on 6 August 1805. He was appointed colonel of the 1st Cuirassier Regiment on 1 April 1807. As part of the 2nd Cuirassier Division, the 1st Cuirassiers were involved in a skirmish at Königsberg on 14 June 1807, the same day as the Battle of Friedland, which the regiment missed. According to one source, Berckheim fought at both Friedland and the 