《新唐书·列传·卷三十四》
北周、隋朝以前，没有皇后协助祭祀天地的先例。 
周、隋而上，无皇后助祭事。 
Before the Northern Zhou and Sui dynasties, there had been no precedents for empressese assisting in the sacrifices to Heaven and Earth. 
<s>[INST] Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 周、隋而上，无皇后助祭事。  Updated: 北周、隋朝以前，没有皇后协助祭祀天地的先例。  [/INST] Before the Northern Zhou and Sui dynasties, there had been no precedents for empressese assisting in the sacrifices to Heaven and Earth. </s>
Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 周、隋而上，无皇后助祭事。  Updated: 北周、隋朝以前，没有皇后协助祭祀天地的先例。
user
Before the Northern Zhou and Sui dynasties, there had been no precedents for empressese assisting in the sacrifices to Heaven and Earth.
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