The Diocese of Austin will host a celebration of the 100th anniversary of World Mission Sunday Oct. 17 at 10:30 a.m. at St. Elizabeth Parish in Pflugerville. Father Tom Reitmeyer, vicar general of the diocese, will celebrate the Mass. Afterwards, participants are invited to the parish hall for light refreshments and a Mission Fair. All are welcome to join in prayer, fellowship, and a renewed commitment to sharing the Gospel through missionary discipleship.