All Somerville residents are invited to the City of Somerville’s annual Martin Luther King, Jr. Day Celebration. This free family event takes place Monday, January 16, from 11:00 a.m. to 1:00 p.m. at the East Somerville Community School Auditorium. The festivities include musical and other performances, student essayists, mayoral remarks, a keynote address, and refreshments. Join family and friends in celebrating “One Somerville” at this inspirational annual celebration.