Animated map showing the advances of Allied troops during the Second World War in Europe from July 1, 1943 to May 8, 1945, by ...

Less than a month later, two bombs were dropped on the Japanese cities of Hiroshima and Nagasaki, bringing about the end of World War II. No nuclear bombs have been used as weapons since the ...

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.