June - August, 2016 annual summer Greek and International Arts Festival. See their website for this summer's offerings.
Mid-April, 2017- 11-day annual film screenings at the Greek Film Archive 48 Iera Odos Street (Ιερά οδός 48). A week of the finest international gblt festival movies from gay & lesbian film festivals around the world. See their website for details.
June 10, 2017 (TBC), annual events in Klafthmonos Square include: opera, film screenings, concert performances, Saturday 6pm parade, same afternoon festival with entertainment.