Original 13 colonies- 1776

Orig

inal

13

colo

nies

-

Northwest Territories- 1763 Treaty of Paris-1783

NorthwestTerritories

Trea

ty o

f Par

is

Orig

inal

13

colo

nies

Louisiana Purchase- 1803

Louisiana Purchase

Trea

ty o

f Par

is

NorthwestTerritories

Orig

inal

13

colo

nies

Texas Annexation- 1845

Louisiana Purchase

NorthwestTerritories

Trea

ty o

f Par

is

Orig

inal

13

colo

nies

Texas Annexation

Oregon Territories- 1846

Oregon Territories

Texas Annexation

Louisiana Purchase

NorthwestTerritories

Trea

ty o

f Par

is

Orig

inal

13

colo

nies

Mexican Cession-1848

Mexican Cession

Oregon Territories

Texas Annexation

Louisiana Purchase

NorthwestTerritories

Trea

ty o

f Par

is

Orig

inal

13

colo

nies

Gadsden Purchase- 1853

Gadsden Purchase

Mexican Cession

Texas Annexation

Oregon TerritoriesLouisiana Purchase

NorthwestTerritories

Trea

ty o

f Par

is

Orig

inal

13

colo

nies

Extra territories to complete the USA

Gadsden Purchase

Mexican Cession

Texas Annexation

Oregon TerritoriesLouisiana Purchase

NorthwestTerritories

Trea

ty o

f Par

is

Orig

inal

13

colo

nies

Claimed by US 1810-1813

Ceded by GB- 1842 (Maine)Ceded by GB- 1818 (Red River Valley, ND)

Adams-Onis Treaty- 1819Ceded by Spain