If you're a history buff, don't miss the 18th annual Civil War Re-enactment Weekend, a chance to learn about the battles, drills and camp life endured by the Union and Confederate soldiers. A troupe of actors dressed in period costumes will perform skirmishes and talk about the war throughout the weekend.
Neshaminy State Park, 3401 State Road, Bensalem, 9 a.m. , also Sunday, free, 215-639-4538.
Party in the barrio
Support local Hispanic businesses and artists at "Spring Market! Mercado de Primavera!," a daylong festival featuring jewelry, foods and the works of a variety of local artisans. All day, enjoy free salsa lessons and live music.
Taller Puertorriqueno, Roberto P. Hernandez theater, 2557 N. 5th St., 12:30-4:30 p.m., free, 215-423-6320.
In the ancient Taoist Chinese story "Butterfly Dreams," sage Zhuang Zi dreams he is a butterfly and awakens to wonder whether he had the dream or whether a butterfly now dreamed it was a man. See the story come to life in this stage performance incorporating dance with puppets, music and word.
Painted Bride, 230 Vine St., 4 and 8 p.m., $20, 215-925-9914 or