Mexican Americans included New Mexican Hispanos and Pueblo Indians and Genizaros, Tejanos, Californios and Mission Indians have existed since the area was part of New Spain. The majority of these historically primarily Hispanophone populations eventually adopted English as their first language as part of their overall Americanization. Approximately ten percent of the current Mexican-American population are descended from the early colonial settlers who became U.S. citizens in 1848 via the Treaty of Guadelupe Hidalgo which ended the Mexican–American War. Although most of the original Mexican American population were officially deemed white citizens by the treaty, they have faced and continue to face
Solemn Act of the Declaration of Independence of Northern America Solemn Act of the Declaration of Independence of Northern America The Solemn Act of Northern America's Declaration of Independence () is the first Mexican legal historical document which established the separation of Mexico from Spanish rule. It was signed on November 6, 1813, by the deputies of the Congress of Anáhuac, organized by General José María Morelos in the city of Oaxaca in June of that same year, and later installed in the city of Chilpancingo on September 13. The document gathers some of the main political uprisings contained in "Feelings of the Nation" ("Sentimientos de la Nación"), a document