Complex sentence: Nelson was promoted to Commodore on 11 March, and on 10 June 1796 transferred his pennant to, Captain John Samuel Smith replacing him as "Agamemnon" s commander.
Split into simpler sentences: Nelson was promoted to Commodore on 11 March. On 10 June 1796 Nelson transferred his pennant to, Captain John Samuel Smith replacing him as "Agamemnon" s commander.