Assassination of Moteuczoma Xocoyotzin (huey tlatoani of Tenochtitlan) and Tlacochcalcatl Itzquauhtzin (tlatoani of Tlatelolco)

illuminated page from the Florentine codex

Diego de Grado (Nahua, act. 1500s), Martín Jacobita (Nahua, act. 1500s), Bonifacio Maximiliano (Nahua, act. 1500s), Friar Bernardino de Sahagún (Spanish, 1499–1590), Pedro de San Buenaventura (Nahua, act. 1500s), Mateo Severino (Nahua, act. 1500s), Antonio Valeriano (Nahua, act. 1500s), Alonso Vegerano (Nahua, act. 1500s), et al.
From Historia general de las cosas de Nueva España (Florentine Codex) (Tlatelolco, 1575–1577), book 12, folio 40v
Biblioteca Medicea Laurenziana, Florence, Italy, Med. Pal. 220