Attention Harry Potter fans, with the great event in the Historical and Military Museum to experience the magic of Patronum Fest. The invitation is to connect with the universe of the wizard boy with QuestCorps and enjoy wizard duels, cosplay contest, trivia, exhibitor booth, photo area and much more! When. Saturday, July 6, from 10:00 a.m. to 4:30 p.m. Where. Historical and Military Museum. Av. Blanco Encalada 1550 Free entry and NO prior registration