सोनाब कलरेदा त्रिएटि अफ गवालुप हिदलगʼ जों मेकसिकनिफ्राय लाजादोंमोन, जाय 1848 मायथायाव मेकसिकान दावहाखौ थुंनो होदोंमोन।
Western Colorado was obtained from Mexico (which had won its independence from Spain) by the Treaty of Guadalupe Hidalgo, which ended the Mexican War in 1848.