Overview
Angkor Wat builders; hydraulic engineering and Hindu-Buddhist synthesis
Khmer dynasty (Angkorian line)
Angkorian royal lineage from Jayavarman II's 802 CE devaraja consecration to the Ayutthaya sack of Angkor in 1431 CE. Multiple dynastic breaks (usurpations, unclear successions) occurred within the period, but the overarching Angkorian state is treated as a single dynasty for structured-data purposes.
Territory Phases
Khmer Empire (Founding)802 CE – 875 CE
Founding of the Khmer Empire by Jayavarman II, who declared independence from Javanese (Sailendra) suzerainty in 802 CE with his devaraja (god-king) consecration on Mount Kulen. Unified the fragmented Chenla polities (Land Chenla + Water Chenla) into a single mandala. Established the capital at Hariharalaya (modern Roluos) near the later Angkor.
Khmer Empire (Classical Angkor)870 CE – 1030 CE
Classical Angkor period. Yashovarman I (889-910 CE) founded Yashodharapura (later Angkor) as the imperial capital. Construction of Phnom Bakheng temple-mountain and the massive Eastern Baray reservoir. Period of administrative consolidation and Hindu Shaivite state religion.
Khmer Empire (Suryavarman I)1025 CE – 1115 CE
Expansion under Suryavarman I (1002-1050 CE) and successors. Extended Khmer control into what is now northeastern Thailand (Lopburi region) and the Korat Plateau. Construction of the Preah Vihear temple complex on the Dangrek escarpment. Increasing royal patronage of Mahayana Buddhism alongside the state Shaivism.
Khmer Empire (Suryavarman II)1110 CE – 1195 CE
Reign of Suryavarman II (1113-1150 CE) — builder of Angkor Wat, the largest religious monument on Earth. Dedicated to Vishnu in a temple-mountain mandala representing Mount Meru. Invaded Champa (1145 CE) and briefly captured their capital Vijaya. Contested with Dai Viet (northern Vietnam) and Pagan (Burma).
Khmer Empire (Jayavarman VII — Peak)1180 CE – 1245 CE
Peak of the Khmer Empire under Jayavarman VII (1181-1218 CE). Maximum territorial extent after defeating the Chams who had sacked Angkor (1177-1181 CE). Switched the state religion to Mahayana Buddhism. Built Angkor Thom, the Bayon (with its famous face-towers), Ta Prohm, Preah Khan, and a network of hospitals and rest houses along imperial roads. Most prolific builder in the empire's history.
Khmer Empire (Decline)1240 CE – 1380 CE
Gradual decline after Jayavarman VII. Progressive loss of territory to the rising Tai kingdoms — Sukhothai (1238+) and Ayutthaya (1351+). Theravada Buddhism replaced Mahayana and Hinduism as the dominant religion, partly due to Sri Lankan monastic influence. End of monumental temple construction.
Khmer Empire (Abandonment of Angkor)1370 CE – 1440 CE
Final collapse — repeated Ayutthaya (Siamese) sieges of Angkor, culminating in the sack of 1431 CE. The Khmer court abandoned Angkor and moved south to Longvek and later Oudong, closer to the Mekong. Angkor gradually reclaimed by the jungle but never entirely forgotten — it remained a pilgrimage site and was 'rediscovered' by French explorers in the 19th century.
Key Rulers
Jayavarman II
Chakravartin, Kamrateng Añ
802 CE – 835 CE
★★★★★
Founder of the Angkorian Khmer Empire. Returned from Java (or the Javanese court) and unified the Chenla polities, then declared independence via the devaraja (god-king) consecration on Mount Kulen in 802 CE, as recorded in the Sdok Kok Thom inscription (K. 235, 1052 CE).
Yasovarman I
889 CE – 910 CE
★★★★
Founded the capital Yasodharapura at the site later known as Angkor. Built the Phnom Bakheng temple-mountain and the Eastern Baray reservoir. Consolidated Angkorian royal power over the Tonle Sap basin.
Suryavarman I
1002 CE – 1050 CE
★★★★
Major expansionist ruler who extended Khmer power westward into the Korat Plateau and Lopburi (central Thailand). Increased royal patronage of Mahayana Buddhism. Oversaw construction of Preah Vihear temple on the Dangrek escarpment.
Suryavarman II
Paramavishnuloka
1113 CE – 1150 CE
★★★★★
Builder of Angkor Wat, the largest religious monument on Earth, dedicated to Vishnu. Invaded Champa in 1145 and briefly captured the Cham capital Vijaya. Contested with Dai Viet (Vietnam) and the Pagan kingdom.
Jayavarman VII
Mahaparamasaugata
1181 CE – 1218 CE
★★★★★
The most prolific builder-king of Angkor. After the Cham sack of 1177, he drove out the Chams, then built Angkor Thom, the Bayon (with its famous face-towers), Ta Prohm, Preah Khan, and a network of 102 hospitals and 121 rest houses along imperial roads. Converted the state religion to Mahayana Buddhism. Presided over the empire's maximum territorial extent.
Key Events
Devaraja consecration of Jayavarman II802 CE
Mount Kulen (Mahendraparvata)
Jayavarman II performed the devaraja (god-king) consecration on Mount Kulen (Mahendraparvata), founding the Angkorian Khmer Empire and declaring independence from Javanese suzerainty. Known primarily from the Sdok Kok Thom inscription (K. 235, 1052 CE) which describes the ceremony and the Brahman chaplain lineage.
Construction of Angkor Wat1113 CE
Angkor Wat
Construction of the Angkor Wat temple complex by Suryavarman II, dedicated to Vishnu. The largest religious monument on Earth by area. Represents Mount Meru in the Khmer cosmological worldview. Begun c. 1113, likely incomplete at Suryavarman II's death c. 1150.
Cham sack of Angkor (Yasodharapura)1177 CE
Angkor (Yasodharapura)
Champa forces under King Jaya Indravarman IV launched a naval attack up the Tonle Sap and sacked the Khmer capital Yasodharapura, killing the ruling king. The most devastating military defeat in Angkorian history; Jayavarman VII's subsequent counterattack and reconquest became the founding narrative of his reign.
Construction of Angkor Thom and the Bayon1190 CE
Angkor Thom
Jayavarman VII built the walled city of Angkor Thom as the new imperial capital after the Cham sack. Centered on the Bayon temple with its enigmatic face-towers (identified as Avalokiteshvara or the king himself). Also contains the Elephant Terrace and Terrace of the Leper King.
Fall of Angkor to Ayutthaya1431 CE
Angkor
Siamese forces from the Ayutthaya kingdom besieged and sacked Angkor, ending the Angkorian period. The Khmer court abandoned Angkor and relocated south to Longvek (later Oudong and Phnom Penh). Angkor was gradually reclaimed by the jungle but never entirely forgotten.
Sources
- Coedès, G. (1968) The Indianized States of Southeast Asia
- Higham, C. (2001) The Civilization of Angkor
- Briggs, Lawrence Palmer (1951) The Ancient Khmer Empire(The first comprehensive English-language history of the Khmer Empire, compiled from French epigraphy (Coedès, Finot). Still widely cited for its dynasty-by-dynasty narrative.)
- Groslier, Bernard-Philippe & Arthaud, Jacques (1966) Angkor: Art and Civilization(Standard photographic and interpretive survey of Angkorian art and architecture, by the long-serving conservator of Angkor.)
- Sdok Kok Thom Inscription (K. 235, 1052 CE)(Sanskrit inscription from Sdok Kok Thom temple (Prachinburi, Thailand), dated Saka 974 = 1052 CE. Key primary source for the devaraja cult. Edited and translated by Coedès & Dupont (1943).)