《金史·本纪·卷五》
十七日，让兵部尚书完颜元宜等充当贺宋生日使。
甲子，以兵部尚书完颜元宜等充贺宋生日使。
On the 17th day, let Bing Bu Shang Shu Wanyan Yanyi and others act as birthday envoys for Song.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 甲子，以兵部尚书完颜元宜等充贺宋生日使。 [/INST] On the 17th day, let Bing Bu Shang Shu Wanyan Yanyi and others act as birthday envoys for Song.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 甲子，以兵部尚书完颜元宜等充贺宋生日使。
user
On the 17th day, let Bing Bu Shang Shu Wanyan Yanyi and others act as birthday envoys for Song.
assistant