Huizong of Song Dynasty.
Under the decadent rule of the Huizong Group of the Song Dynasty, internal peasant uprisings surged. The Liangshan Uprising and the Fangla Uprising broke out one after another, and the rule of the Northern Song Dynasty was beset with crises. But Song Huizong's artistic attainments were very high.
Song Huizong was very sincere in his interest in painting. He used his imperial power to promote painting, which led to unprecedented development of painting art in the Song Dynasty. He also created a calligraphy font called "thin gold style" by later generations. He loved painting flowers and birds and developed his own "courtyard style". He was one of the few accomplished artistic emperors in ancient times.
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In Chinese history, Song Huizong is definitely a "super first-class" artist. His "thin gold body" and "flower and bird paintings" are unique and leading the way.
There are many calligraphy works handed down by Emperor Huizong of the Song Dynasty. They are all good in regular script, running script and cursive script, with strong and elegant strokes and distinctive personality. "Poetic Notes on the Green Calyx" has sharp brushwork, iron painting and silver hooks, elegant and thin, and side peaks like orchids and bamboos. It is his representative work. Huizong's flower-and-bird paintings of the Song Dynasty are original in the history of Chinese art, from the creation of object imagery, the originality of realistic techniques, to the four-in-one arrangement of poetry, calligraphy, painting and sealing.
Reference: Baidu Encyclopedia-Song Huizong