Installation mass for Cleveland Bishop Nelson Perez

​CLEVELAND, Ohio--  This marked a big day for hundreds of thousands of Catholics in Northeast Ohio.

Bishop Nelson Perez  became the 11th bishop of the Diocese of Cleveland this afternoon. Hundreds of religious leaders from across the country gathered for the installation of Bishop Perez.

It began with a procession at 1:30 p.m., and was followed by mass.

A Vespers  prayer service was held Monday night at St. John's Cathedral. Today marked the official reception of Bishop Perez.

It was an hours-long, invitation-only ceremony and marked the 11th time a bishop has been installed in the Diocese of Cleveland, home to nearly 700,000 Catholics.

Bishop Perez comes to Cleveland from Long Island. He takes over for Bishop Richard Lennon, who retired last year.

Read more on Bishop Perez.