Category:1840s in the United States by state or territory

0–9

• 1840s in Texas (1 C, 4 P)
• 1840s in Alta California (3 C, 2 P)
• 1840s in Oregon Territory (3 C)
• 1840s in California (1 C, 1 P)
• 1840s in Wisconsin (4 P)
• 1840s in Florida (3 P)
• 1840s in Iowa (1 C, 4 P)
• 1840s in Arkansas (empty)
• 1840s in the Republic of Texas (1 C, 1 P)
• 1840s in Indian Territory (empty)
• 1840s in New Mexico Territory (1 C)
• 1840s in Iowa Territory (1 C)
• 1840s in Minnesota Territory (1 C, 1 P)