Learn about the people and places associated with Trenton's African-American community from its founding to the mid-twentieth century on February 20, 7 p.m. at the Ewing Branch of the Mercer County Library, 61 Scotch Road, Ewing. Presented by Jennifer B. Leynes, author of "Three Centuries of African-American History in Trenton: Significant People and Places," which was published by the Trenton Historical Society with support from the New Jersey Historical Commission. She serves on the Trenton Landmarks Commission and is employed as a Historic Preservation Specialist by the New Jersey Historic Preservation Office. Registration is required. Call 882-3148. For more information visit mcl.org.