Who started an order for monks and nuns in the 5th century?

In the 5th century, Saint Augustine of Hippo is credited with founding an order for monks and nuns. He established a community of followers who lived according to a rule of life focused on prayer, community, and service. This community eventually became known as the Augustinian Order, which emphasized a lifestyle of both contemplation and active ministry. Augustine's teachings and practices significantly influenced monastic life in the Western Christian tradition.