Santa Cruz at Tlatelolco (1536), where the sons of Aztec nobles studied Latin, rhetoric, philosophy and music, and the Royal and Pontifical University of Mexico (1552), modeled on the University of Salamanca, which trained young men for the Catholic Church. These institutions were the first and second universities respectively to be established in the mainland of the Americas. In 1536 he began the minting of silver and copper coins, known as macuquinas. Also under his instructions, the first printing press in the New World was brought to Mexico in 1539, by printer Juan Pablos (Giovanni Paoli). The first book printed in Mexico: La Escala Espiritual de San Juan Clímaco. On 18 May 1541 don Antonio founded the city of Valladolid (now Morelia, Michoacán). When the Spanish crown issued the New Laws that put restrictions on the grants of elite conquerors awarded grants of labor encomenderos, the viceroy prudently refrained from implementing the most draconian aspects of the edicts, which no longer permitted an encomendero family holding the grant in perpetuity. In Peru, the implementation of the New Laws resulted in outright rebellion and the assassination of the viceroy. In reaction to the crisis caused by the New Laws, Mendoza introduced the policy of obedezco pero no cumplo ("I obey but do not comply"), which means "I respect the authority of the crown, but in my judgment I do not implement particular legislation." He tried to not implement the New Laws, and therefore stabilized the region. In 1542 an insurrection of the Indians, called the Mixtón Rebellion threatened to push the Spaniards out of northwestern Mexico, bringing the area under indigenous control. The Viceroy himself had to take the field and bring all disposable manpower. The rebellion was quashed and the surviving Indians were harshly punished. By the viceroy's order men, women and children were seized and executed, some by cannon fire, some torn apart by dogs, and others stabbed. In 1548 he suppressed an uprising of the Zapotecs. As viceroy, Mendoza commissioned the expedition of Francisco Vásquez de Coronado to explore and establish settlements in the northern lands of New Spain in 1540–42, the expedition of Juan Rodríguez Cabrillo to explore the western coastline of Alta California in 1542–43, and the expedition of Ruy López de Villalobos to the Philippines in 1542–43. The Codex Mendoza created by the order of Mendoza, and subsequently named for him. During his term of