In Hinduism, the Asura are a group of deities, sometimes inaccurately called demons. They were opposed to the devas and may be the gods worshipped prior to the Vedic invasion. They are children of Kasyapa.
The term corresponds to the Zoroastrian word Ahura. In Zoroastrianism the Ahuras are supreme, while the devas are demonic.
... assumed power for 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 ...