Smilodon gracilis ("the slender Smilodon") was the smallest and earliest of the sabertooth cats. It first appeared in the United States about 2.5 million years ago and lived until about 500,000 years ago.
... 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 Tyrant has come ...