As the fatal strokes fell, they changed forever the unwritten definition of the principate. Caligula’s experiment in absolute power had proved that there was, finally, a check. The Praetorians had imposed it. And in the hours that followed the murder, they also seized a central role in the question of succession. While the Senate dithered vaguely over a hoped-for return of the republic, soldiers collected Caligula’s sickly paternal uncle, Claudius—found trembling behind a curtain, according to legend, though more likely well briefed on what was to happen—and brought him to the Praetorian camp,
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