Millennium Dancesport Championships: Today kicks off the ballroom competition with more than 1,700 dancers, leading up to Dancing with the Stars pro Karina Smirnoff judging this weekend. Professionals lead their amateur students during the day (9 a.m.-5 p.m.), while professional couples and daytime finalists take to the floor in the evenings (8 p.m.-midnight) at the Marriott Tampa Waterside, 700 S Florida Ave., Tampa. Today's sessions: $25; evening $25-$50. www.m2dance.com.
Bob Graham: The former governor and U.S. senator discusses his latest political thriller, Keys to the Kingdom, at 11:30 a.m. at the University Club, One Tampa City Center, 38th floor, Tampa. $50. (813) 273-3616; www.uclubtampa.com.
Pride Movie Night: Bring a blanket or lawn chair and your cooler full of goodies to enjoy an outdoor showing of Billy Elliot at 8:45 p.m. at Seminole Park in Kenwood, 2900 Third Ave. N, St. Petersburg. Free.
Go Skateboarding Day: Get a free skate session, music, raffles and food at 4 p.m. today at Largo Skate Park, 400 Highland Ave. NE, Largo. (727) 518-3016; www.largo.com.
Be a Hockey Player for a Day: Kids ages 4-17 get a free roller hockey clinic with age appropriate groups running drills and playing mini-games. Bring a hockey or bicycle helmet. Starts at 6 p.m. at USA Skateplex, 5313 E Busch Blvd., Temple Terrace. Free. (813) 989-2100.