《国语·周语·单襄公论陈必亡》
周定王六年，单襄公到楚国。
六年，单子如楚。
In the sixth year of King Ding of Zhou, Duke Xiang of Shan arrived in the state of Chu.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 六年，单子如楚。 [/INST] In the sixth year of King Ding of Zhou, Duke Xiang of Shan arrived in the state of Chu.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 六年，单子如楚。
user
In the sixth year of King Ding of Zhou, Duke Xiang of Shan arrived in the state of Chu.
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