Dr. Tianliang Zhang is the host of YouTube channel “Tianliang Time” (天亮時分). Starting from April 2019, his channel has attracted more than 500K subscribers and more than 200 million views as of May 2024, covering a variety of topics, including politics, economy, international relations, public policy, history, religion, culture, and etc.

He produced a series of history lecture program “A Grand View on Chinese History” (《笑談風雲》). With 100+ hours of lectures, Dr. Zhang covers all major figures and events from prehistory era to the end of Ming Dynasty (1644AD)

This is the fourth part of the series, which details the history from the end of the An-Shi Rebellion to the demise of the Southern Song Dynasty, and summarizes the entire series at the end.