The Yongle Emperor (May 2, 1360 - August 12, 1424), born Zhu Di, was the third emperor of the Ming Dynasty of China from 1402 to 1424. His era name means "Perpetually Jubilant". His usurpation of the throne is now sometimes called the "Second Founding" of the Ming. He is generally considered one of the greatest emperors of the Ming Dynasty, and to be among the greatest Chinese emperors. Wikipedia
The definitive Wikipedia entry for Yongle Emperor. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Yongle_Emperor