Complex sentence: In 1655 he published "A Panegyric to my Lord Protector", and was made a Commissioner for Trade a month or two later, he followed this, in 1660, with a poem "To the King, upon his Majesty's Happy Return".
Split into simpler sentences: In 1655 he published "A Panegyric to my Lord Protector", and was made a Commissioner for Trade a month or two later. He followed this, in 1660, with a poem "To the King, upon his Majesty's Happy Return".