In which dynasty did regular script prevail?

According to documents and archaeological excavations, there was no regular script in the Han Dynasty. The China Literature and Calligraphy Art History Society believes that regular script originated in the Three Kingdoms, and the representative work is Zhong You's "Table of Distinguished Scholars". According to the literature and ancient calligraphy theory, regular script matured in the Jin Dynasty and the Southern and Northern Dynasties, such as Huang Tingjing and Luo Shenfu written by Wang Xi and his son (Wang Xizhi and Wang Xianzhi), which basically possessed the rules of regular script. From some cultural relics unearthed in the Southern and Northern Dynasties, such as epitaphs and Buddhist scriptures, we can also see that the regular script in the Southern and Northern Dynasties inherited the demeanor of Wei and Jin Dynasties, but it was also innovative and more rigorous. Masterpiece: Dong Epitaph

In the Tang Dynasty, regular script reached its heyday, and a large number of regular scripts emerged. In the early Tang Dynasty, Emperor Taizong was a "book fan" and the whole upper class was obsessed with calligraphy. Calligraphy has also become one of the essential skills of an intellectual, so the popularization of calligraphy has a good foundation, making the Tang Dynasty the golden age of calligraphy. In the early Tang Dynasty, Ou Yangxun, Yu Shinan, Xue Ji and Chu Suiliang all went down in history because they were good at regular script. In the late Tang Dynasty, Yan Zhenqing and Liu Gongquan had the greatest influence on the innovation of regular script, which was later called Yan Liujin!

Today, the regular script or original works we are talking about are basically formed in the Tang Dynasty, and there is basically no change and innovation after the Tang Dynasty, so it should be said that regular script flourished in the Tang Dynasty!