The year 622 عیسوی marks a significant event in Islamic history known as the Hijra. This was the migration of the Prophet Muhammad and his followers from Mecca to Medina, which established the first Muslim community. The Hijra is so important that it serves as the starting point for the Islamic calendar. In the context of the Gregorian calendar, 622 عیسوی corresponds to the year 622 CE. This period was characterized by the early development of the Islamic state and the consolidation of the Muslim community. The events of this year laid the foundation for the spread of Islam across the Arabian Peninsula and beyond.