Complex sentence: During the English Civil War, Wentworth was the Sergeant-Major-General of Horse and commanded the Prince of Wales's Regiment of Horse, seeing action at Tipton Green, Cropredy Bridge, Langport, Worcester and possibly at the Second Battle of Newbury.
Split into simpler sentences: During the English Civil War, Wentworth was the Sergeant-Major-General of Horse and commanded the Prince of Wales's Regiment of Horse. He saw action at Tipton Green, Cropredy Bridge, Langport, Worcester and possibly at the Second Battle of Newbury.