BATON ROUGE IRISH FILM FESTIVAL: starting at 7:30 p.m. Friday, and 12:05 p.m. Saturday, Manship Theatre, 100 Lafayette St., Baton Rouge. Featuring screenings of short films and features of Irish-made cinema. $8.50 per screening. batonrougeirishfilmfestival.com.
MARSHLAND FESTIVAL: 5 p.m. to midnight Friday, 11 a.m. to midnight Saturday, Lake Charles Civic Center, 900 Lakeshore Drive. Celebrating the heritage of the state with Cajun music, cuisine and culture. Friday admission is $10, $15 Saturday. More information is available at Eventbrite.
LOUISIANA OUTDOOR EXPO AND BOAT SHOW: 3 p.m. to 9 p.m. Friday, 10 a.m. to 8 p.m. Saturday, and 10 a.m. to 5 p.m. Sunday, Cajundome, 444 Cajundome Blvd., Lafayette. A premiere event for everything outdoors, from hunting to camping to outdoor activities, and now with boat exhibitions. $8.50 for adults, $3.50 for kids age 5-11, and free for children under 5. cajundome.com, laoutdoorexpo.com.
ITALIAN HERITAGE FESTA: 11 a.m. to 5 p.m., Belle of Baton Rouge Casino, 103 France St. This annual festival includes a shopping village, music, food, drinks, desserts and celebrity grape stomp to honor the city's Italian heritage. Free. gbraia.org.