Complex sentence: Wissell had the temporary rank of major in the 8th fine battalion K. G. L.24th Mfty, 1806; was appointed brevet lieutenant-colonel by 4 June 1813; and lieutenant-colonel 3rd line battalion K. G. L. on 8 September, 1814.
Split into simpler sentences: Wissell had the temporary rank of major in the 8th line battalion Kings German Legion (K. G. L.) 24 May 1806. He was appointed brevet lieutenant-colonel by 4 June 1813 and lieutenant-colonel 3rd line battalion K. G. L. on 8 September, 1814.