How important was Zhu Yuanzhang?

Caydan, he was the founder of the Ming Dynasty. He was born in a poor family and worked for a rich family as cowherd. Some people even don't know that he once became a monk when he was 21. At the age of 25, he joined the Red Scarf Army to fight Yuan Dynasty. Three years later, he became an important general. Twelve years later, he established Ming Dynasty.