Tecpancaltzin Iztaccaltzin was the ninth

Tlatoani ''Tlahtoāni'' ( , "ruler, sovereign"; plural ' ) is a historical title used by the dynastic rulers of (singular ''āltepētl'', often translated into English as "city-state"), autonomous political entities formed by many pre-Columbian Nahuatl- ...

, ruler of the

Toltec Empire The Toltec Empire'', ''Toltec Kingdom or Altepetl Tollan was a political entity in pre-Hispanic Mexico. It existed through the classic and post-classic periods of Mesoamerican chronology, but gained most of its power in the post-classic. During t ...

. He began his reign when his mother, Xihuiquenitzin Ziuhcaltzin died in about 833. Dates in Toltec history are not entirely accurate, as the Toltec calendar is not completely understood. In 843, a Toltec man named Papantzin invented a type of

sugar Sugar is the generic name for sweet-tasting, soluble carbohydrates, many of which are used in food. Simple sugars, also called monosaccharides, include glucose Glucose is a sugar with the Chemical formula#Molecular formula, molecul ...

made from the

Agave ''Agave'' (; ; ) is a genus of monocots native to the arid regions of the Americas. The genus is primarily known for its succulent and xerophytic species that typically form large Rosette (botany), rosettes of strong, fleshy leaves. Many plan ...

plant. He and his daughter Xochitl brought the sugar as a gift to Tecpancaltzin Iztaccaltzin. Tecpancaltzin fell in love with Xochitl, but she did not share his feelings. He kept her in his palace not allowing her to leave. He convinced Papantzin not to help her by telling him that when Tecpancaltzin died, Xochitl would be the ruler of the Toltecs. They had a son named Meconetzin. Xochitl threatened to leave in 846 but Tecpancaltzin managed to keep her there by promising Meconetzin would be the next Tlatoani. Tecpancaltzin Iztaccaltzin was dethroned in 877 or 885, but was probably still alive. After this Xochitl became empress, and after her death Maeconetzin became emperor.

References

{{Reflist Toltec people Toltec history