Father Meinard Lawson, O.S.B., master of ceremonies and His Eminence Francis Cardinal Arinze during the entrance procession

Bishop R. Daniel Conlon of Steubenville and Bishop Roger Foys of Covington

Bishop Roger Foys of Covington, Bishop Joseph Adamec of Altoona-Johnstown and Bishop Donald Wuerl of Pittsburgh

Bishop Joseph Adamec of Altoona-Johnstown, Bishop Donald Wuerl of Pittsburgh and Bishop Donald Trautman of Erie

Bishop Donald Trautman of Erie and Bishop Lawrence Brandt of Greensburg

The choir sings the opening hymn

Arcabbot Douglas Nowicki, O.S.B., gives welcoming remarks

Bishop Lawrence Brandt of the Diocese of Greensburg addresses the congregation

Deacon Joseph Carr of the Diocese of Pittsburgh reads the Gospel

Father Sebastian Samay, O.S.B., reads a statement announcing the Special Pontifical Blessing of Pope Benedict XVI

Cardinal Arinze gives the Homily

Cardinal Arinze gives the Homily

Members of the monastic community process

Deacon Joseph Carr, Cardinal Arinze and Father Meinard Lawson, O.S.B.

Liturgy of the Eucharist

Liturgy of the Eucharist

Cardinal Arinze leads prayer during the Basilica 100th anniversary Mass

Parishioners listen to Cardinal Arinze's homily

Left to Right: Bishop Donald Trautman of Erie, Bishop Joseph V. Adamec of Altoona-Johnstown, Bishop R. Daniel Conlon of Steubenville and Archabbot Douglas R. Nowicki of Saint Vincent

Left to Right: Archabbot Paul Maher, Bishop Anthony G. Bosco of Greensburg, Bishop Roger Foys of Covington Bishop Donald W. Wuerl of Pittsburgh and Bishop Lawrence E. Brandt of Greensburg

Cardinal Arinze, center, processes out following Mass with Father Meinard Lawson, O.S.B., and Deacon Joseph Carr

A KDKA cameraman interviews parishioners following Mass

Archabbot Douglas Nowicki and Cardinal Arinze talk with a parishioner following Mass