A map from 1919 of Poland showing borders and boundary changes after World War I. The map shows principal cities and ports, railroads, rivers, and coastal features, and shows the territorial changes of the Ukrainian claims, the...

A map from 1919 of Switzerland shortly after World War I, showing the Canton boundaries at the time, major cities and towns, railroads, lakes, rivers, and mountain systems of the region, and the frontiers with France, Italy, Austria, and...

A French soldier and general during World War I.

Swedish king who fought to keep Sweden neutral during World War I.

Norwegian king during World War I.

The second president of Germany, from 1925 to 1934. He was also the Chief of General Staff for Germany during World War I.

A general officer in the United States Army during World War I.

(1860-1948) John Joseph "Black Jack" Pershing was General of the Armies during World War I.

A British Field Marshall who played a central role in the early part of World War I.

A British soldier and senior commander during World War I.

A Russian general in World War I.

New Jersey, showing physical features, county lines, railroads, towns, and cities.

New Mexico.