Note 9 — Chapter XV · WHO WERE THE MAYANS?
Reading edition
Ixtlilxochitl, in his Relaciones Historicas, says Topiltzin was the last king of Tula; that Toltec sovereignty extended a thousand leagues from north to south, and eight hundred from east to west; and that in the wars that attended its downfall 5,600,000 persons were slain!