Aachen
From Tardis Wiki, the free Doctor Who reference
Aachen was an ancient city in Germany, located near the western border. It was the capital city during the reign of King Charlemagne. It was built in a mountainous region near the village of Rodert.
In May 1940, Felsennest, Adolf Hitler's headquarters from which he oversaw the Blitzkrieg, was located near Aachen. (PROSE: Timewyrm: Exodus [+]Loading...["Timewyrm: Exodus (novel)"])
In 2046, Steffi Ehrlich studied there in the RWTH Aachen University. (TV: The Waters of Mars [+]Loading...["The Waters of Mars (TV story)"])
