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