What opera was Luigi Piazza associated with on 11 March 1851?
Luigi Piazza: Luigi Piazza (1884 – 22 March 1967), was an Italian operatic baritone, particularly associated with the Italian repertory, especially the role of Rigoletto. Rigoletto:  Despite serious initial problems with the Austrian censors who had control over northern Italian theatres at the time, the opera had a triumphant premiere at La Fenice in Venice on 11 March 1851.
Rigoletto