Satellite image of the Earth with the Atlantic Ocean in the centre. From space, the Earth looks like a sphere or a ball. About two thirds of the surface is covered with water, and the rest is ...

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.

Less than a month after the September 11 terrorist attacks on the United States, U.S. troops—with support from British, Canadian, French, German and Australian forces—invaded Afghanistan to ...