Honk Parade 29th Annual Oktoberfest. Davis Sq. Cambridge. 12:00 p.m. to 6:00 p.m. Rain date Oct. 13. Join the HONK Parade, a collection of feet, wheels, horns, and strollers and featuring over 30 Honk Bands from around the world, as it meanders down Mass. Ave. and kicks off Harvard Sq’s 29th annual Oktoberfest. Features live entertainment, music, dance, art, street performers and over 300+ booths featuring artisans, crafters, and sidewalk sales. Free. 617-491-3434. www.harvardsquare.com