《宋史·本纪·卷十五》
二十七日，在圆形高坛上祭祀天地，赦免全国。十二月初一，占城国献上驯象。
甲戌，祀天地于圜丘，赦天下。十二月丁丑朔，占城国献驯象。
On the twenty-seventh, heaven and earth were worshipped on a round platform and the whole country was pardoned. On the first of the twelfth lunar month, the Cham Kingdom offered tame elephants.