The Odenton Heritage Society continues its celebration of Odenton’s 150th anniversary with Women on the Railroad, a photographic display showing local residents who worked in the headquarters of the WB&A Electric Railroad, coordinated troop train movements during World War II, and worked for the Railway Express Agency, a nationwide parcel service. 1-4pm, 1912 Old Masonic Hall, 1367 Odenton Rd., free: odentonheritage.org.