Quirinalia is an ancient Roman festival celebrated on February 17th in honor of the god Quirinus, who was associated with the Roman state and its military. This festival was part of the larger tradition of Roman religious observances, focusing on the protection and prosperity of the city and its people. During Quirinalia, rituals included sacrifices and offerings made at the Quirinal Hill, one of the seven hills of Rome. The festival emphasized the importance of community and the role of the gods in ensuring the safety and success of the Roman state.