TODAY
* “The Irish at Chickamauga”: Chickamauga and Chattanooga National Military Park, Fort Oglethorpe,Ga., meet at Visitor Center, 10 a.m., two-hour car caravan tour around battlefield focusing on roles of Irish soldiers during the Battle of Chickamauga, bring bottle of water and dress appropriately for the weather. nps.gov/chch.
* Leprechaun Costume Contest: James H. “Sloppy” Floyd State Park, Summerville, Ga., for children 8 or younger, 1 p.m. Pavilion 2, $5 parking pass. 706-857-0826.
SUNDAY
* “Beware the Ides of March”: The Highland Center (former 21st Century Academy), 10 Tuxedo Ave. off Brainerd Road, 3 p.m., $5, Shakespeare Chattanooga presents reading of “Julius Caesar.” 622-2862.