CATHOLIC WORKERS PEACE VIGIL & PROCESSION: The Center for Nonviolent Solutions and Worcester Catholic Workers will mark the Feast of the Holy Family and Holy Innocents, martyrs, 4 p.m., Dec. 28 at the Worcester Peace Park at Pleasant and Russell St., followed by a procession to The Mustard Seed, 93 Piedmont St., for a gathering and presentation. Call Charlie Washburn at 508-868-1267 for info.