An autocrat is generally speaking any ruler with absolute power; the term is now usually used in a negative sense (cf. despot and tyrant). The term is derived from the Greek word autokratôr (lit. "self-ruler", "ruler of one's self"). Despotism is government by a singular authority, either a single person or tightly knit group, which rules with absolute power. ... A tyrant (from Greek τυραννος tyrannos) is a usurper of rightful power, possessing absolute power and ruling by tyranny. ...

The principal titles of what modern historians call the "Roman emperors" were imperator, Caesar, and Augustus; the latter two words were transliterated into Greek as kaisar and augoustos, while the existing word autokratôr was substituted for the former. When the Emperor Heraclius introduced the "Byzantine" system of co-emperors, the senior emperor (or, in the absence of a co-emperor, the sole emperor) took the title autokratôr, although the junior emperor also began to take that title in the 14th century under the Palaeologi. Roman Emperor is the title historians use to refer to rulers of the Roman Empire, after the epoch conventionally named the Roman Republic. ... The Latin word imperator was a title originally roughly equivalent to commander during the period of the Roman Republic. ... Caesar (p. ... Augustus (plural Augusti) is Latin for majestic or venerable. The greek equivalent is sebastos, or a mere grecization (by changing of the ending) augustos. ... Flavius Heraclius Augustus (c. ... The Byzantine Empire is the term conventionally used to describe the Roman Empire during the Middle Ages, centered at its capital in Constantinople. ... (13th century - 14th century - 15th century - more centuries) As a means of recording the passage of time, the 14th century was that century which lasted from 1301 to 1400. ... The Palaeologus family was the last dynasty ruling the Byzantine Empire. ...

In keeping with the contention of the rulers of Russia that Moscow was "Third Rome" (after Constantinople and Rome), the formal title of the Russian emperor was Imperator i Samodyerzhets Vserossiysky ("All-Russian Emperor and Autocrat"). The absolutist rule of the Russian emperors is probably chiefly responsible for the modern negative connotation attached to the word "autocrat". Saint Basils Cathedral Moskau (Russian/Cyrillic: Москва́, pronunciation: Moskvá) is the capital of Russia, located on the river Moskva, and encompassing 1097. ... New Rome is a term that can be applied to a city or a country. ... Map of Constantinople. ... City motto: Senatus Populusque Romanus – SPQR (The Senate and the People of Rome) Founded 21 April 753 BC mythical, 1st millennium BC Region Latium Mayor Walter Veltroni (Democratici di Sinistra) Area  - City Proper  1290 km² Population  - City (2004)  - Metropolitan  - Density (city proper) 2,546,807 almost 4,000,000 1... In logic and in some branches of semantics, connotation is more or less synonymous with intension. ...

"No one can go on being a rebel too long without turning into an autocrat." -- Lawrence Durrell

See also: Roman Emperors; List of Roman Emperors; Byzantine Emperors; List of Byzantine Emperors; Tsar Roman Emperor is the title historians use to refer to rulers of the Roman Empire, after the epoch conventionally named the Roman Republic. ... This is a list of Roman Emperors with the dates they controlled the Roman Empire. ... This is a list of Byzantine Emperors. ... This is a list of Byzantine Emperors. ... Tsar (Bulgarian цар, Russian царь,  listen; often spelled Czar or Tzar and sometimes Csar or Zar in English), was the title used for the autocratic rulers of the First and Second Bulgarian Empires since 913, in Serbia in the middle of the 14th century, and in Russia from 1547 to...