Attend a conference that will consider contemporary experiences of polarization compared with what happened to the political party system, voter turnout and suppression, and coalitions during the years before the Civil War. Conference continues on Saturday. Free; registration required. Henry R. Luce Hall, 34 Hillhouse Ave. All day.
Hear a lecture by William Zachs, honorary fellow in the School of Literatures, Languages and Cultures at the University of Edinburgh. Free. Beinecke Rare Book and Manuscript Library, 121 Wall St. 4 p.m.
Listen to the music of Paul Winter, soprano sax, who will be joined by Jeff Holmes on piano and James Wetzel on the organ. Free. Marquand Chapel, Sterling Divinity Quadrangle, 409 Prospect St. 7:30 p.m.
View a screening of a romantic comedy set on Sicily during the Second World War. In Italian with English subtitles; introduced and followed by a Q&A with the director. Free. Whitney Humanities Center, 53 Wall St. 8 p.m.
Take in a performance of the Berkeley College Orchestra as they play Beethoven’s “Overture to the Creatures of Prometheus,” Schubert’s Eighth (The “Unfinished”) Symphony, and Dvorak’s Ninth Symphony. Free. Battell Chapel, 400 College St. 4:30 p.m.
Visit an interdisciplinary exhibition that combines art and science to explore the meaning of wildlife migrations to the Greater Yellowstone ecosystem. Exhibition continues until March 25. $6-$13. Yale Peabody Museum of Natural History. 170 Whitney Ave. Noon-5 p.m.