Beliefs Thousands of COGIC Pentecostals celebrate gifts of the spirit in St. Louis By Jesse Bogan | November 7, 2015 ShareTweet EmailPrint More More on Beliefs Subscribe to Beliefs Pamela Pittman, of Oak Park, Ill., prays during the noon church service on Thursday, Nov. 5, 2015, at the Church of God in Christ annual convocation at America's Center. The convocation continues through Sunday. Photo by J.B. Forbes, St. Louis Post-Dispatch. Active RNS subscribers and members can view this content by logging-in here.ST. LOUIS — The Church of God in Christ, or COGIC, is the largest African-American Pentecostal denomination. For one week each year, members converge for Holy Convocation, in which their charismatic faith is on display.