 Complete the following phrase:  He entered the Prussian military as an 18-year-old, and 1736 was promoted to second lieutet in the Infantry Regiment Krocher No. 18. In 1741, he was in the regiment Markgraf Heinrich No. 42, in which he entered into the Seven Years War. He was wounded at the Battle of Leuthen, but recovered from these wounds. Promoted to major, he served at the 