Moctezuma I (c. 1398-1469), also known as Motecuhzoma Ilhuicamina, Huehuemotecuhzoma or Montezuma I, was the second Aztec emperor and fifth king of Tenochtitlan. During his reign, the Aztec Empire was consolidated, major expansion was undertaken, and Tenochtitlan started becoming the dominant partner of the Aztec Triple Alliance.