• American companies established in 1846 (15 P)

A

• 1846 establishments in Alabama (1 P)
• 1846 establishments in Arkansas (4 P)

C

• 1846 establishments in Connecticut (6 P)

D

• 1846 establishments in Delaware (1 P)

F

• 1846 establishments in Florida (1 P)

G

• 1846 establishments in Georgia (U.S. state) (5 P)

I

• 1846 establishments in Illinois (17 P)
• 1846 establishments in Indian Territory (4 P)
• 1846 establishments in Indiana (10 P)
• 1846 establishments in Iowa (5 P)
• 1846 establishments in Iowa Territory (45 P)

K

• 1846 establishments in Kentucky (7 P)

L

• 1846 establishments in Louisiana (6 P)

M

• 1846 establishments in Maine (2 P)
• 1846 establishments in Maryland (3 P)
• 1846 establishments in Massachusetts (19 P)
• 1846 establishments in Michigan (22 P)
• 1846 establishments in Mississippi (2 P)
• 1846 establishments in Missouri (7 P)
• Mormon Battalion (1 C, 9 P)

N

• 1846 establishments in New Hampshire (3 P)
• 1846 establishments in New Jersey (8 P)
• 1846 establishments in New York (state) (24 P)
• 1846 establishments in North Carolina (4 P)

O

• 1846 establishments in Ohio (22 P)
• 1846 establishments in Oregon Country (8 P)

P

• 1846 establishments in Pennsylvania (19 P)

R

• Railway stations in the United States opened in 1846 (7 P)
• 1846 establishments in Rhode Island (5 P)

T

• 1846 establishments in Tennessee (4 P)
• 1846 establishments in Texas (56 P)

U

• 1846 establishments in unorganized territory of the United States (1 P)

V

• 1846 establishments in Vermont (2 P)
• 1846 establishments in Virginia (10 P)

W

• 1846 establishments in Washington, D.C. (1 P)
• 1846 establishments in Wisconsin Territory (16 P)

0–9

• 1st Engineer Battalion (United States)
• 3rd Cavalry Regiment (United States)

D

• De Bow's Review

F

• First Regiment of Texas Mounted Rifle Volunteers
• The Flag of Our Union

T

• Town & Country (magazine)

U

• U.S. provisional government of New Mexico