The latest imperial construction was performed by the Ming Dynasty (1368–1644), and the length was then over 6,000 kilometers (3,700 miles). This is the wall often referred to when we talk about the Great Wall. The Ming dynasty spent 200 years to build their wall.

The Great Wall of China was constructed from the 7th Century BC by the Chu State and lasted until 1878 in the Qing Dynasty. The most remaining we see today was built in the Ming Dynasty about 600 years ago.

Unlike other dynasties building the Great Wall to prevent incursions by northern nomadic tribes or neighboring states, the Great Wall in Qing Dynasty was erected for its internal security, suppressing the domestic rebellions and uprisings.

He ordered General Meng Tian ➚ to use up to 300,000 slaves to build new and strengthen existing walls. About 500 million tons of material make up the wall this makes it, by many measures, the greatest man-made structure ever made in the world.

China Facts for Kids

• China is officially known as the People’s Republic of China.
• China has the largest population in the world, with over 1.3 billion people (1,343,239,923) as of July 2012.
• China is the 3rd largest country by area at 9,706,961 sq km (3,747,879 sq miles).
• China belongs to the continent of Asia.

The first emperor Qin Shi Huang united all warning states or kingdoms of China. But if Great Wall never built, an nomadic group called Xiongnu, led by Qing su Xo, easily destroyed the smallest great wall and he conquered China in 3rd century BC and he ruled China under totally Ziongnu culture.

64c. 1957

The wall itself on the top usually measures 0.4-0.5 meters (1.3-1.6 feet) thick.