[Turing_Machine]

> Also the Czars of Russia.

Yep. "Czar" = "Caesar". Likewise "Kaiser" in the Germanic regions.

The British monarch was called "Kaisar-i-Hind" by Hindi-speaking people, when the subcontinent was controlled by the British.

[PontifexMinimus]

Incidently, the last Caesar (the Czar of Bulgaria until 1946) is still alive: https://en.wikipedia.org/wiki/Simeon_Saxe-Coburg-Gotha