[[Category:th century| *]] [[Category:s| *]] [[Category:th century decades]] In 1454, the First Doctor, Susan, Ian Chesterton and Barbara Wright visited the Aztec empire. Barbara, mistaken for the reincarnation of Yetaxa, tried in vain to stop the Aztec practice of human sacrifice. (TV: The Aztecs, PROSE: The Left-Handed Hummingbird)