1 and 58 1 years, Emperor Wendi of Sui Dynasty (Emperor Wendi of Sui Dynasty) seized the Northern Zhou regime, established the Sui Dynasty, and made Chang 'an its capital.

In 2.589, the Sui Dynasty destroyed Chen and unified the north and south.

Since 605, Emperor Yang Di has opened a Grand Canal that runs through the north and south.

4. The Grand Canal in Sui Dynasty, with Luoyang as the center, Zhuo Jun in the north and Yuhang in the south, was more than 2,000 kilometers long and was the longest canal in the ancient world.

5. The Grand Canal in Sui Dynasty was divided into four sections: Yongji Canal, Tongji Canal, Hanjiang River, Jiangnan River, Haihe River, Yellow River, Huaihe River, Yangtze River and Qiantang River.

In 6.6 18, Emperor Yang Di was killed by the Ministry in Jiangdu, and the Sui Dynasty perished.

In 7.6 18, Li Yuan fought against Sui Dynasty in Taiyuan and entered Chang 'an to establish the Tang Dynasty.

8. The only female emperor in the history of China was Wu Zetian, who proclaimed herself emperor in her later years and changed her name to Zhou.

9. Emperor Taizong attached importance to developing production and reducing farmers' tax and labor; Pay attention to the role of talents and be open-minded to teach. He appointed Du Ruhui, who was resourceful and good at breaking great events, as Prime Minister and called him "Fang Mou Du Duan". Reuse the outspoken Wei Zhi as a famous remonstrator.