Complex sentence: On Talfourd's recommendation, Pemberton was engaged at Covent Garden by Charles Kemble He made his first appearance there on 2 March 1829 as Virginius, and on 9 March played Shylock.
Split into simpler sentences: On Talfourd's recommendation, Pemberton was engaged at Covent Garden by Charles Kemble. In March 1829 he made his first appearance there as Virginius, and later that month played Shylock.