《金史·本纪·卷三》
八月二十一日，因为对宋作战胜利，派遣耶律居谨等人充任宣庆使出使高丽。
八月戊寅，以宋捷，遣耶律居谨等充宣庆使使高丽。
On August 21st, because the war against the Song Dynasty was victorious, Yelü Jujin and other people were sent out as Envoys of Xuanqing to visit Goryeo.
<s>[INST] Kindly elucidate the central themes in this passage in English: 八月戊寅，以宋捷，遣耶律居谨等充宣庆使使高丽。 [/INST] On August 21st, because the war against the Song Dynasty was victorious, Yelü Jujin and other people were sent out as Envoys of Xuanqing to visit Goryeo.</s>
Kindly elucidate the central themes in this passage in English: 八月戊寅，以宋捷，遣耶律居谨等充宣庆使使高丽。
user
On August 21st, because the war against the Song Dynasty was victorious, Yelü Jujin and other people were sent out as Envoys of Xuanqing to visit Goryeo.
assistant