This period of time involves three various time sections of the Byzantine Empire. The first, is the early years. Between 330-800, with notable figures such as Constantine I and Charlemagne. The Second; This period reflects the expansive middle years of the Byzantine Empire and includes the reigns of such historically notable persons as: Basil I and Emperor Constantine VII. The Third; This period reflects the latter and final middle years of the Byzantine Empire, and is hailed by such notable events as the recapture of Constantinople (by Emperor Michael Palaeologus), and the travels of Marco Polo..