Complex sentence: Historians commonly date his reign as running from 802 A.D. to 850 A.D. An inscription recounts that Jayavarman came from Java, had a Brahman priest declare his state independent and established in his court the Hindu religious ritual known as the cult of the devajara.
Split into simpler sentences: Historians commonly date his reign as running from 802 A.D. to 850 A.D. An inscription recounts that Jayavarman came from Java and invited a Brahman priest to conduct a religious rite that made his state independent. The king established in his court the Hindu ritual known as the cult of the devajara.