《旧唐书·本纪·卷十七》
长庆元年三月，封为景王。
长庆元年三月，封景王。
In March of the first year of Changqing, he was made King Jing. 
<s>[INST] Convert the following modern Chinese text into Classical Chinese: 长庆元年三月，封为景王。 [/INST] 长庆元年三月，封景王。</s>
Convert the following modern Chinese text into Classical Chinese: 长庆元年三月，封为景王。
user
长庆元年三月，封景王。
assistant