Alexander's empire was over as soon as he died divided up between his generals
Julius Ceasar did not create an empire just took over a republic that was already huge
Hadrian inherited an empire
Cortes and Pizarro were not rulers, just generals of an existing empire.
Napolean lasted what, 15-20 years.
Ptolemy, one of Alexanders generals, created the Ptolemic dynasty in Egypt which started around 300-250 BC and lasted to 50 BC when the Romans took over under Octavius.
Julius Ceasar did not create an empire just took over a republic that was already huge
Hadrian inherited an empire
Cortes and Pizarro were not rulers, just generals of an existing empire.
Napolean lasted what, 15-20 years.
Ptolemy, one of Alexanders generals, created the Ptolemic dynasty in Egypt which started around 300-250 BC and lasted to 50 BC when the Romans took over under Octavius.