When Arnaud's Restaurant (813 Bienville St., 523-5433; www.arnaudsrestaurant.com) opened in 1918, Prohibition was fast on its heels. According to Arnaud's lore, the restaurant and its patrons dodged enforcement and the good times rolled. Arnaud's pays tribute to that time Oct. 12 with a "Speakeasy Dinners." The evening includes a four-course meal of Prohibition-era dishes, and guests are encouraged to dress in appropriate period style. Get the "secret knock" for entrance (and a reservation) at firstname.lastname@example.org.