
The Assassination of Julius Caesar by Mariano Rossi (1731-1807)
I have just finished reading an interesting book that sheds light on how rhetoric influenced the way people acted in ancient Rome. J. E. Lendon’s That Tyrant Persuasion: How Rhetoric Shaped the Roman World shows that public speechifying was the dominant mass medium of the time and affected the laws and, in many respects, the way people acted.
Lendon used as his prime example the conspiracy to assassinate Julius Caesar by Brutus, Cassius, and their associates. In Chapter Four, he discusses eight reasons why the whole conspiracy had been a shambles:
- Decimus Brutus had armed gladiators near the Senate House of Pompey. Why did they not kill Caesar?
- Why did all the conspirators in the Senate House want to stab Caesar themselves, producing a confused melee?
- Why did the conspirators do nothing about Mark Antony and Marcus Lepidus, or any other followers of Caesar, not even arrest them for kid-glove treatment if the fastidious Brutus insisted? It was especially leaving Antony alive that Cicero later regarded as “childish.”
- Why did Brutus think that after the assassination he would be able to address the Senate? Why did he not expect the senators, most of them loyalists of Caesar, to be terrified of the deed?
- Why were the conspirators apparently surprised by the panic their deed caused in the city?
- Why did the conspirators go up the Capitoline Hill?
- Why did the conspirators spend March 16 giving speeches in the Forum?
- Why, other than descending to give speeches, did the conspirators apparently have no plans for what to do after they ascended the Capitoline Hill, given that the reactions of Lepidus, Antony, their troops, and Caesar’s veterans could have been predicted?
In his book, Lendon deals with each of these questions in great detail. As I read his book, I suddenly saw that public speaking in ancient Rome was the equivalent of our social media, and that the conspirators who, at Donald Trump’s urging, marched on the Capitol on January 6, 2021 were being misled in much the same way that Brutus and his co-conspirators were by the conventions of ancient rhetoric.

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