Timeline of the Khmer Empire By daniel scandizzo 500 evidence of trade between the khmer and the indian people Period: 500 to Nov 24, 1700 Timeline of the Khmer Empire Nov 24, 770 Jayavaermen II unifies smaller states to create one large empir.The capital is in angkor region of cambodia Nov 23, 1145 Khmer empire expands and angkor wat is built. Buddishm becomes important Nov 29, 1177 cham kingdom invades much of Khmer Empires eastern territory Period: Nov 29, 1181 to Nov 29, 1219 Jayavarman VII defeats the chams and expands the empire to furthest extent to invorporate much of present-day laos Thailand and burma Period: Nov 29, 1243 to Nov 29, 1998 rule of jayavarman VII. he reniunces buddhism and orders that buddhist temples and images be destryed and hinduism become the main religion Nov 29, 1300 Buddhism grows in importance and again becomes the main religion of the khmer kings Nov 29, 1431 thai army attacks angkor Dec 1, 1432 Khmers abandon Angkor. Over subsequent centuries the jungle groes around and over Angkor and its location is forgotten. Dec 1, 1440 Khmer rulers relocate the capital to phnom penh Dec 1, 1593 siamese king attacks and defeats Khmer King Mar 2, 2022 Jayavarman II enthroned as a devaraja (king god)