1250s: Various border clashes between Choresm and the Sultanate of Delhi. 1251-68: Jatavarman Sundara in Pandyan (South India). He invades Ceylon successfully. 1253 (2950, Yin Water Ox): Kingdom of Dali in SW China survives. 1256 (2953, Yang Fire Dragon): Hsi-Hsia are incorporated into Jin China again. No Mongol conquest of Corea. 1258 (2955, Yang Earth Horse): No Mongol attack against Szechuan as OTL. The mighty Choi family continues to be the power behind the throne of Goryeo. 1259: Lanna kingdom in northern Thailand founded. 1268-79: No Mongol conquest of Southern China.