Archbishop José H. Gomez will lead an outdoor prayer service with civic leaders and representatives of the first peoples of the land on Wednesday, September 8 at 7 p.m. at Mission San Gabriel Archangel to commemorate the 250^th anniversary of the founding of the mission, 428 S. Mission Drive, San Gabriel, CA 91776. More than 40 priests and the auxiliary bishops of the Archdiocese of Los Angeles will accompany Archbishop Gomez at the event preceding the opening of the “Forward in Mission” Jubilee Year on Sept. 11.