Mezue ahịrịokwu a: N'afọ 1232, mgbe Alaeze Ukwu Mongol
Mgbe ndị China wakporo ọchịchị Jin, Emperor Aizong hapụrụ isi obodo, Bianjing (<unk>京; ugbu a Kaifeng, Henan Province), wee gbaga Caizhou (<unk>州; ugbu a Runan County, Henan Province). Wanyan Chenglin so eze ukwu ahụ wee soro ya n'oge njem ahụ dum, ebe ọtụtụ ndị minista na ndị isi hapụrụ eze ukwu ahụ n'ụzọ. Mgbe ọ bịarutere Caizhou, Wanyan Chenglin gwara Emperor Aizong ka o guzobe ebe etiti ma kwadebe nchebe maka mwakpo ndị Mongol.