It redrew the world map and reshaped many borders ... and Germany lost substantial territory outside Europe. For more information about the history of World War I, visit The National WWI Museum ...

Because the world is a sphere, it is difficult to accurately project this on a two-dimensional map. When the world is ... seven continents and five oceans. Europe is a continent.

Alberto Cantino, an Italian spy, acquired a Portuguese map showing stunning finds in the New World. This story appears in the March/April 2017 issue of National Geographic History magazine.