Early Tang Dynasty (AD 6 18-7 12) generally refers to the period from the founding of the Tang Dynasty to the first year of Xuanzong (or from Wude to the early years of Kaiyuan).
In the middle Tang Dynasty (766-835 AD), it started from the generation of Dali to the end of the literary Sect Yamato, and it was sixty-four years.
In the last years of the Tang Dynasty (875-907 AD), after 875 years, the Tang Dynasty entered the last years of the Tang Dynasty. In 907, the Tang Dynasty perished and Hou Liang was founded. The late Tang Dynasty ended. Since then, it has entered the Five Dynasties and Ten Kingdoms period.
Extended data:
Bai Juyi (772-846), a native of Xinzheng, Henan Province, was born in Taigu, a lay man in Xiangshan, and was the most secluded gentleman. He was a great realistic poet in the Tang Dynasty and one of the three great poets in the Tang Dynasty. Bai Juyi and Yuan Zhen * * * advocated the new Yuefu movement, and together with Liu Yuxi, they called the world "Bai Yuan" and "Bai Liu".
Bai Juyi's poems have a wide range of themes, diverse forms and simple and popular language, and are known as "the poet's magic" and "the king of poets". Official to Hanlin bachelor, Zuo Zanshan doctor. In 846 AD, Bai Juyi died in Luoyang and was buried in Xiangshan. Up to now, there are Bai's "Changqing Collection", and the representative works include Song of Eternal Sorrow, Charcoal Man, Pipa Travel and so on.
References:
Baidu Encyclopedia _ Bai Juyi