Original sentence: Otomi is an endangered language, as there are relatively few younger speakers.This is true especially for the dialects of Ixtenco Tlaxcala, Santiago Tilapa, Mexico state, and Guanajuato all of which have less than thousand, mostly elderly speakers
Edited sentence: <ref>Lastra 2000<ref> When the Otomi kingdom of Xaltocan was conquered by Nahuatl speakers in the 14th century the Nahua speakers forcefully removed the Otomi from their lands and created a myth of Otomies being savage and primitive.Although in some areas the Otomi language is vigorous with children acquiring Otomi through natural transmission (e.Especially endangered are moribund dialects of Ixtenco Tlaxcala, Santiago Tilapa, Mexico state, and Guanajuato all of which have less than a thousand, mostly elderly speakers.Even in modern times when indígenous pride was reclaimed by the interest in the precolumbian archaeological remains the Otomi, who had few monuments to show due to having been conquered by first Aztecs, then Spaniards continued largely unnoticed to a degree that they have been referred to as "the Forgotten people".Only recently, the turn of the millenium has seen revitalization efforts of Otomi language and culture.Spanish colonial historians such as Bernardino de Sahagún used mostly Nahua speakers as sources and this negative image of the Otomi people was perpetuated throughout the colonial period.The gradual loss of the Otomi language in many of the communities that formerly had it as their primary language has to do with the negative image the Otomi people received in the colonial and late precolumbian times.The long tradition of attaching a negative image to Otomi ethnicity has caused many speakers to abandon the Otomi language for Spanish.the Mezquital valley of Hidalgo and in the area of Itzmiquilpan in Querétaro), Otomi is, overall, an endangered language