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.

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 ...

MailOnline's new map, based on the results, shows how the proportion of people with various skin colours changed across Europe between ... eras of ancient history. In Neolithic-era Britain ...

After much of Europe had been occupied by the Axis powers ... largest assault landings ever undertaken in the course of human history.

With nearly three million troops involved, it was an incredible feat of organisation - and the first step towards the liberation of Western Europe and the defeat of Nazi Germany. Follow the Allies ...