Question

Which event occurred first?

The Mongols took over Chinese rule.
The Tokugawa Shogunate began in China.
The Koryu dynasty began in Korea.
Buddhism was introduced into Japan.

Answer 1

"Buddhism was introduced into Japan" occurred first.

Approximate dates:
- Buddhism introduced into Japan: c. 538 CE (often dated 552 CE)
- Koryŏ (Koryu) dynasty began in Korea: 918 CE
- Mongols took over Chinese rule (Yuan dynasty / conquest of Song): 1271–1279 CE
- Tokugawa Shogunate began (in Japan, not China): 1603 CE