Thessaloniki Song Festival, Greece's most important music festival, at Alexandreio Melathron. In 2012, the city hosted its first pride parade, Thessaloniki Pride, which took place between 22 and 23 June. It has been held every year ever since, however in 2013 transgender people participating in the parade became victims of police brutality. The issue was soon settled by the government. The city's Greek Orthodox Church leadership has consistently rallied against the event, but mayor Boutaris sided with Thessaloniki Pride, saying also that Thessaloniki would seek to host EuroPride 2020. The event was given to Thessaloniki in September 2017, beating Bergen, Brussels, and Hamburg. Since 1998, the city host Thessaloniki International G.L.A.D. Film Festival, the first LGBT film festival in Greece. Sports The main stadium of the city is the Kaftanzoglio Stadium (also home ground of Iraklis F.C.), while other main stadiums of the city include the football Toumba Stadium and Kleanthis Vikelidis Stadium home grounds of PAOK FC and Aris F.C., respectively, all of whom are founding members of the Greek league. Being the largest "multi-sport" stadium in the city, Kaftanzoglio Stadium regularly plays host to athletics events; such as the European Athletics Association event "Olympic Meeting Thessaloniki" every year; it has hosted the Greek national championships in 2009 and has been used for athletics at the Mediterranean Games and for the European Cup in athletics. In 2004, the stadium served as an official Athens 2004 venue, while in 2009 the city and the stadium hosted the 2009 IAAF World Athletics Final. Thessaloniki's major indoor arenas include the state-owned Alexandreio Melathron, P.A.O.K. Sports Arena and the YMCA indoor hall. Other sporting clubs in the city include Apollon FC based in Kalamaria, Agrotikos Asteras F.C. based in Evosmos and YMCA. Thessaloniki has a rich sporting history with its teams winning the first ever panhellenic football (Aris FC), basketball (Iraklis BC), and water polo (AC Aris) tournaments. During recent years, PAOK FC has emerged as the strongest football club of the city, winning also the Greek championship without a defeat (2018–19 season). The city played a major role in the development of basketball in Greece. The local YMCA was the first to introduce the sport to the country, while Iraklis B.C. won the first ever Greek championship. From 1982 to 1993 Aris B.C. dominated the league, regularly finishing in first place. In that period Aris won a total of 9 championships, 7