From the arrival of the first Franciscan missionaries, Spanish, Latin, and indigenous languages played parts in the evangelization of Mexico. Many 16th-century churchmen studied indigenous languages in order to instruct native peoples in Christian doctrine. The same men also found Castilian and
Latin appropriate in certain contexts. All told, there existed a kind of "linguistic coexistence" from the beginning of the colonial period. Some monks and priests attempted to describe and classify indigenous languages with Spanish. In 1570,
Philip II of Spain made
Nahuatl an official language of the colonies of
New Spain to facilitate communication between the natives of the colonies. In 1696, the government of
Charles II reversed that policy and banned the use of any languages other than Spanish throughout New Spain. Except for the
Second Mexican Empire, led by the
Habsburg Maximilian I, no Mexican government tried to prevent the loss of indigenous languages during the 19th century. The
1895 census records some 16% of the populace spoke various indigenous languages "habitually," while 0.17% spoke foreign languages. The rest, 83.71%, spoke primarily Spanish. For most of the 20th century successive governments denied native tongues the status of valid languages. Indigenous students were forbidden to speak their native languages in school and were often punished for doing so. In 2002, Mexico's constitution was amended to reinforce Mexico's
pluricultural nature, by giving the State the obligation to protect and nurture the expressions of this diversity. In June 1999, the Council of Writers in Indigenous Languages presented Congress with a document entitled "Suggested legal initiatives towards linguistic rights of indigenous peoples and communities", with the goal of beginning to protect the linguistic rights of indigenous communities. was passed in March 2003, establishing a framework for the conservation, nurturing and development of indigenous languages. Critics claim that the law's complexity makes enforcement difficult. ==Indigenous languages==