In Greek mythology, Bia ("force") was the personification of force, daughter of Pallas and Styx. She was the sister of Nike, Cratos, and Zelus. The gods created Bia to bind Prometheus after he was caught stealing fire. Bia and her siblings were all companions of Zeus.
... any period of time without a legitimate basis of authority.
The first to have the title of "Tyrant" was Pisistratus in 560 BC.
In modern times Tyrant has come to mean ...