Christianity in Africa arrived in Egypt in the middle of the 1st century. By the end of the 2nd century it had reached the region around Carthage. In the 4th century, the Aksumite empire in modern-day Eritrea and Ethiopia became one of the first regions in the world to adopt Christianity as an official religion and the Nubian kingdoms of Nobatia, Makuria and Alodia followed two centuries later. Important Africans who influenced the early development of Christianity include Tertullian, Perpetua, Felicity, Clement of Alexandria, Origen of Alexandria, Cyprian, Athanasius and Augustine of Hippo.