The 18th annual Martin Luther King, Jr. Unity Breakfast will be held 9-11 a.m. at the Northside-Cherokee Conference Center, 1130 Bluffs Parkway in Canton. The keynote speaker will be Douglas R. Hooker, the first African-American executive director of the Atlanta Regional Commission. Ebony Steele, a national television and radio host, is mistress of ceremonies. Free admission; arrive early to get a seat.