Senate of the Roman Empire
Senate

The Senate of the Roman Empire was a political institution in the ancient Roman Empire. After the fall of the Roman Republic, the constitutional balance of power shifted from the Roman Senate to the Roman Emperor. Beginning with the first emperor, Augustus, the Emperor and the Senate were technically two co-equal branches of government. In practice, however, the actual authority of the imperial Senate was negligible, as the Emperor held the true power of the state. As such, membership in the senate became sought after by individuals seeking prestige and social standing, rather than actual authority. During the reigns of the first Emperors, legislative, judicial, and electoral powers were all transferred from the "Roman assemblies" to the Senate. However, since the control that the Emperor held over the senate was absolute, the Senate acted as a vehicle through which the Emperor exercised his autocratic powers.
Procedure
The first emperor, Augustus, inherited a Senate whose membership had been increased to 900 senators by his adoptive father, Julius Caesar. Augustus sought to reduce the size of the Senate, and did so through three revisions to the list of senators. By the time that these revisions had been completed, the Senate had been reduced to 600 members, and after this point, the size of the Senate was never again drastically altered.
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This entry incorporates text from “Senate of the Roman Empire” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.