Countries need not exist today to count. They must only have bordered the United States or its possessions at one point since the Treaty of Paris in 1783. Includes some states with limited recognition
IMPORTANT NOTE: unlike the previous "Borders of" quizzes, military and wartime territory gains and occupations DO count for this quiz. Unfortunately, what little is known of Native American possessions during this time is unreliable, so no tribal territories are counted.
Arkansas, Louisiana, Unorganized Territory (1836-1845); Arkansas, Indian Territory, New Mexico Territory (1861)
1860-1861
Georgia, North Carolina (1860-1861)
1861
Alabama, Arkansas, Louisiana, Tennessee (1861)
1861
Alabama, Georgia (1861)
1861
Georgia, Tennessee (1861)
1861
North Carolina, Tennessee (1861)
1861
Arkansas, Texas (1861)
1861-1865
Arkansas, California, Colorado Territory, Kansas, Kentucky, Maryland, New Mexico Territory (1861-1865); Ohio, Pennsylvania (1861-1863); Arizona Territory, West Virginia (1863-1865)
1864-1867
Arizona Territory, New Mexico Territory, Texas (1865-1867); California (1864-1867)
1867-2013
Alaska, Maine, Michigan, Minnesota, New Hampshire, New York, Ohio, Pennsylvania, Vermont (1867-2012); Idaho Territory, Montana Territory (1867-1890); Dakota Territory, Washington Territory (1867-1889); Idaho, Montana, North Dakota, Washington (1889-1907)
Years Bordering
Country
Borders With
1903-1979
Panama Canal Zone (1903-1979)
1912-1933
Occupied Nicaragua (1912-1933)
1912-1933
Occupied Nicaragua (1912-1933)
1915-1916; 1924-1934
Occupied Haiti (1915-1916; 1924-1934)
1945-1955
American Occupation Zone of Austria (1945-1955); American Occupation Zone of Germany (1945-1949)
1945-1955
American Occupation Zone of Austria (1945-1955)
1945-1955
American Occupation Zone of Austria (1945-1955); American Occupation Zone of Germany (1945-1949)