Category:1870s in the United States by state or territory

0–9

• 1870s in Dakota Territory (2 C)
• 1870s in Wyoming Territory (1 C, 2 P)
• 1870s in Utah Territory (1 C)
• 1870s in Indian Territory (1 P)
• 1870s in Arizona Territory (2 C, 1 P)
• 1870s in New Mexico Territory (2 C, 8 P)
• 1870s in Washington Territory (1 C)
• 1870s in Idaho Territory (1 C, 2 P)
• 1870s in Colorado Territory (1 C, 3 P)
• 1870s in Montana Territory (1 C)