Amalasuntha ruled Rome after the Roman Empire's fall. She is known for being a wise leader of the Ostrogoths, first as regent, then as the ruling monarch.
Amalasuntha: Wise Queen of the Ostrogoths
Margherita of Savoy, Queen of Italy
Margherita of Savoy was the first woman to hold the title of Queen of Italy. She's also my favorite historical figure because she's just amazing.
The Royal Women 