Diada de Sant Jordi (Saint George's Day) is an annual celebration held in Barcelona, Spain, on April 23rd. The festival celebrates Catalan culture and the legend of Saint George, who is said to have slain a dragon to rescue a princess. The event is marked by book and rose stalls, where it is traditional for men to give roses to women, and women to give books to men, symbolizing love and culture. Diada de Sant Jordi also includes cultural activities, street performances, and live music, creating a lively atmosphere across the city and celebrating literature, romance, and Catalan identity.