Hamilton: North Shore Women of the Civil War, 10:30 to 11:30 a.m., Hamilton-Wenham Public Library, 14 Union St. Women’s studies historian Bonnie Hurd Smith will discuss notable local women of the Civil War, including abolitionists, sanitary commissioners, and writers. www.hwlibrary.org.
Salem: Mayor’s Night Out, 3 to 10 p.m., downtown Salem. Mayor Kim Driscoll, in partnership with Salem’s attractions and museums, welcomes Salem residents to “Mayor’s Night Out in Salem.” Salem residents, with ID, are admitted for free to attractions, museums, and can park free in the East India Mall garage after 4 p.m. Look for “Mayor’s Night Out” signs at participating businesses. 978-745-9595.
Salem: Trick or Treat with the Mayor, 5:30 to 6:30 p.m., East India Fountain on the Pedestrian Mall. Join Mayor Driscoll for trick-or-treating at the East India Fountain. Attendees will trick-or-treat along the Essex Street Pedestrian Mall, the Museum Place Mall shops and beyond. Trick-or-treat bags provided; costumes encouraged. 978-745-9595, salem.com.
Salem: The Big Draw Festival, 5 to 8 p.m., Peabody Essex Museum, 161 Essex St. This year, PEM joins the internationally acclaimed campaign that is celebrated for its ambitious reach and simple goal: to get everyone drawing. Come create a sketchbook, discover the meditative benefits of zentangle or leave a mark on the world in sidewalk paint. Grab a crayon and bring an imagination; remember, everyone can draw if given the chance. 978-745-9500, PEM.org.
Ipswich: Sisters in Song, 7:30 p.m., Assumption of the Virgin Mary Greek Orthodox Church, 8 Lafayette Road. Sisters in Song, an evening of duets by Mary Rudolph, Paula Foukas and several other singers to benefit the Ellie Fund Fighting Breast Cancer. Refreshments served. $20 ticket, available at the door. www.elliefund.org.
Peabody: Roomful of Blues, 7:30 p.m., Peabody City Hall, Wiggin Auditorium, 24 Lowell St. Peabody Cultural Collaborative presents a concert by Roomful of Blues, a five-time Grammy-nominated blues band. Members of the Peabody Veterans Memorial High School Jazz Band will open. Doors open at 7 p.m. $25 general admission ticket, available at http://pcc-presents-roomfulofblues-eac2.eventbrite.com/; Peabody Area Chamber of Commerce, 24 Main St.; Peabody City Hall, 24 Lowell St.; or ArcWorks Community Art Center, 22 Foster St. www.facebook.com/PeabodyCulturalCollaborative.
Wenham: Thompson Chamber Music Series: Polyakov, Raykhtsaum and Eskin, 8 p.m., Phillips Recital Hall, Gordon College, 255 Grapevine Road. Gordon piano faculty member Alina Polyakov joins Boston Symphony violinist Aza Raykhtsaum and principal cellist Jules Eskin in a concert featuring music for violin, cello and piano. $20 general, $10 senior citizens. www.gordon.edu.