It’s a “wonder of the modern world” and an “engineering marvel ... And how did it effectively change the map of Europe? The answer to all those questions is geography.

World War I involved 32 nations from 1914 to 1919. It redrew the world map and reshaped many borders in Europe. The collapse of the Russian Empire created Poland, the Baltics, and Finland.

The Prime Meridian passes through London in the United Kingdom. Europe is the second smallest continent in the world. It has over 40 countries. The world's largest country by area is Russia.

The past 100 years have seen another world war and the rise and fall of the Soviet Union, but much of present-day Europe is based ... right from 1914 to see 1914 map and to the left from 2014 ...