Gaius Calpurnius Piso (died AD 65) was a Roman senator in the first century. He was the focal figure in the Pisonian conspiracy of AD 65, the most famous and wide-ranging plot against the throne of Emperor Nero.

The conspiracy of Gaius Calpurnius Piso in 65 CE was a major turning point in the reign of the Roman emperor Nero (reign 54–68).

Gnaeus Calpurnius Piso[note 1] (fl. 1st century BC) was a high ranking Roman aristocrat and senator. He was firmly traditionalist and opposed the populist First Triumvirate, and later Julius Caesar. He fought against Caesar in Caesar's civil war and against his adopted son, Octavian, in the Liberators' civil war; both times on the losing side.

The Pisonian Conspiracy is named after a leading Roman statesman and orator named Gaius Calpurnius Piso, and it was a plan to kill Emperor Nero. Although he was involved in the plot, Piso was not the originator. It took place in 65 AD and is a turning point in Roman history.

The great conspiracy to make Gaius Calpurnius Piso emperor in 65 reveals the diversity of his enemies—senators, knights, officers, and philosophers. That the conspiracy included military officers was an ominous sign, but Nero did not give way to panic; slaves kept him out of danger by warning him of plots…

Mar 9, 2019 · Blame for his death fell at once upon his estranged friend and colleague, the official governor of the province Gnaeus Calpurnius Piso, who was accused by Germanicus on his deathbed of poisoning the 33-year old general of the legions.

At the head of the conspiracy was L. Calpurnius Piso, an aristocratic orator who had won fame and popularity in the law courts. He was not a Julio-Claudian and had no claim for imperial office other than his political standing.

May 25, 2023 · Gaius Calpurnius Piso, a distinguished Roman senator of the first century, emerges as a central figure in the notorious Pisonian conspiracy of AD 65. However, his story reaches far beyond...

Nov 11, 2014 · Gnaeus (sic) Calpurnius Piso was a Roman senator in the 1st century. He was the focal figure in the Pisonian Conspiracy of 65 AD, the most famous and wide-ranging plot against the throne of Emperor Nero. Piso was extremely well liked throughout Rome.

Apr 19, 2016 · The so-called Pisonian conspiracy led by Giaus Calpurnius Piso, involved a number of the influential Romans in the plan to assassinate the Roman emperor Nero. The conspiracy formed a major turning point in the reign of Nero, and was seemingly backed by a significant number of influential Romans including the commanders of the praetorian guard.