1850s: The population of New Mexico is almost exclusively Native American and Mexican. It becomes a U.S. state in 1851, but Anglos are not accepted until close to the end of the century.

1920s: The Native American population in New Mexico is 19,500. This number is more than double what it was in 1890.

Today: The Native American population in New Mexico is estimated at 169,000, an increase of more than 30,000 since 1990.

1850s: Immigration numbers begin to swell in the U.S., particularly from Ireland, Germany, and Sweden.

1920s: This decade marks the beginning of an upswell of "nativist" sentiment. A Federal program is initiated to "repatriate" an estimated half million Mexicans and Mexican Americans living in the U.S. in order to free up jobs for "American" workers (i.e., people of non-Mexican descent). This campaign of forced immigration uproots people (many of whom are American...