Tracing its roots back to the early Frankish kingdoms and the heroic deeds of men like Charles Martel and Charlemagne, the HRE existed in one form or another for nearly a thousand years. Yet the term ...
The eastern Roman empire was founded by Constantine the Great on May 11, A.D. 330. The empire fell on May 29, 1453, when the army of the Ottoman sultan Mehmet II breached the walls of Constantinople.