《宋书·本纪·卷十》
夏四月八日，晋齐公爵位为齐王，又封给他十郡。
夏四月壬申，进齐公爵为齐王，增封十郡。
On the eighth day of the fourth lunar month, Duke Qi of Jin was given the title of King Qi, and was also enfeoffed with ten commanderies.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 夏四月壬申，进齐公爵为齐王，增封十郡。 [/INST] On the eighth day of the fourth lunar month, Duke Qi of Jin was given the title of King Qi, and was also enfeoffed with ten commanderies.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 夏四月壬申，进齐公爵为齐王，增封十郡。
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On the eighth day of the fourth lunar month, Duke Qi of Jin was given the title of King Qi, and was also enfeoffed with ten commanderies.
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