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Questions about Jin dynasty (266–420)

Short answers, pulled from the story.

When did Sima Yan declare himself emperor of the Jin dynasty?

Sima Yan declared himself emperor of the Jin dynasty in February 266. He forced the final Wei ruler Cao Huan to abdicate and established the new imperial rule.

What event marked the beginning of the Sima clan's ascent within the kingdom of Cao Wei?

The Incident at the Gaoping Tombs staged by Sima Yi in 249 marked the beginning of the Sima clan's ascent within the kingdom of Cao Wei. This coup allowed the family to surpass the power of the ruling Cao clan.

Where was the capital of the Eastern Jin period located after the fall of Chang'an?

Sima Rui reestablished the government at Jiankang which became the new capital of the Eastern Jin period in 318. Northern states sometimes referred to his empire as Langya due to one of Sima Rui's titles being prince of Langya.

Which battle saw a heavily outnumbered Eastern Jin force inflict a devastating defeat on Former Qin?

The Battle of Fei River took place in 383 when an Eastern Jin force inflicted a devastating defeat on Di-ruled forces of Former Qin. Following this engagement, the Former Qin state began to collapse while Jin armies recaptured lands south of the Yellow River.

How many Buddhist temples existed in the Eastern Jin according to historical accounts?

There were 1,768 Buddhist temples in the Eastern Jin during the chaos of the Sixteen Kingdoms. Buddhism gained traction among people of that era and marked a critical time for the Mahayana school in China.