 Complete the following phrase:  In 1271, he declared the creation of the Yuan dynasty and named his capital Dadu , Chinese for Grand Capital, or Daidu to the Mongols. It is also known by the Mongol name Khanbaliq , spelled Cambuluc in Marco Polos account. Construction of Dadu began in 1267 and the first palace was finished the next year. The entire palace complex was completed in 1274 and the rest of the city by 1285. In 1279, when Mongol armies 