| 1 | Emperor Cheng Zu of the Ming Dynasty moved the capital to Beijing. | |
| 2 | Is it time to move the capital now? | |
| 3 | 1421--Ming dynasty move the capital to Beijing. | |
| 4 | In 1420, Cheng Tian Gate (now called Tian'anmen) was founded, designed by Kuai Xiang. Beijing became the capital of Ming Dynasty in the same year. | |
| 5 | Geographic environment has an importancent effect on the capital moving of Bohai regime. |