The controversial Ballarat Swap Meet (formerly the Super Southern Swap Meet and held annually since 1989) attracts 30,000 visitors a year. Ballarat Heritage Weekend (held annually since 2006) celebrates the city's heritage with activities such as historic vehicles and displays in and around the CBD and has attracted as many as 14,500 visitors a year from around Victoria. The Ballarat Beer Festival at the City Oval (since 2012) has attracted more than 4,000 visitors. The Ballarat Airport Open Day (Ballarat's unofficial air show, held annually since 2009) also attracts thousands.