 On 25 June 1937, Tisserant was appointed the Titular Archbishop of Iconium by Pope Pius XI.he received his consecration on the following 25 July from Cardinal Eugenio Pacelli (later Pope Pius XII), with Archbishop Giuseppe Migone and Bishop Charles-Joseph-Eugène Ruch serving as co-consecrators, in St. Peter's Basilica.He participated in the conclave of 1939, which elected Pacelli as Pope Pius XII.