In 1487 , on the occasion of the dedication of the great pyramid temple of Tenochtitlán , over 80,000 victims were sacrificed in a period of four days , according to Spanish friar Diego Durán .
In 1487 , on the occasion of the dedication of the great pyramid temple of Tenochtitlan , over 80,000 victims were sacrificed in a period of four days , according to Spanish friar Diego Duran .