Murder of Roman Emperors - The crisis that almost destroyed the Roman Empire | Anthony Kaldellis
Anthony Kaldellis discusses the Crisis of the 3rd Century Roman Empire, where 26 emperors were murdered in 50 years amid civil wars, plague, and foreign invasions, and explains how Diocletian's tetrarchy system and universal taxation framework stabilized the empire and created a model that lasted centuries.
Summary
The transcript explores the severe political and military instability of the 3rd century Roman Empire, characterized by 26 emperors being murdered within a 50-year period. This crisis was driven by multiple factors: the army appointing rival generals as emperors, the creation of the hostile Sasanian Persian Empire, a devastating plague (possibly smallpox or Ebola) that killed up to 5,000 people daily in Rome from 249-262 AD, hyperinflation, economic collapse, and the empire fragmenting into three separate pieces. However, Kaldellis emphasizes that while imperial instability at the top was severe, most ordinary citizens in provinces like Egypt continued living relatively stable lives, demonstrating that the crisis was primarily one of political legitimacy at the center rather than a complete societal collapse. Emperor Aurelian briefly reunified the fractured empire in five years before Diocletian implemented transformative reforms in 284 AD. Diocletian's solution was to "turn the problem into its own solution" by creating the tetrarchy—a system deputizing four military colleagues (mostly Illyrians from the Balkans region) to govern different military zones collaboratively rather than as a rigid division. This required expanding government, bureaucracy, and the army, which necessitated a more systematic and effective taxation system. Diocletian implemented universal citizenship and law for all Romans and, crucially, ended Italy's tax exemption—a radical change reflecting the practical thinking of these non-Italian military emperors. He also conducted a universal census of all taxable assets across the empire, enabling predictable budgets and revenue. Kaldellis addresses misconceptions about Diocletian's regulations on social mobility, arguing they were primarily tax enforcement mechanisms rather than a rigid caste system. While some occupations like farming had restrictions binding workers to land for fiscal purposes, substantial physical mobility existed throughout the period, and there is no historical evidence of widespread complaints about forced occupational inheritance. The stability Diocletian created—through reducing rebellions via the tetrarchy system, defeating Persians, and securing frontiers—enabled economic and demographic recovery by providing the security necessary for investment in land reclamation and production expansion. This framework became the model for the subsequent three centuries and beyond, with universal taxation proving foundational to the functioning and success of later Roman society.
Key Insights
- The crisis of the 3rd century was primarily political instability at the top—26 emperors murdered in 50 years—but most ordinary people in provinces like Egypt showed little evidence of experiencing crisis according to papyrus documents, indicating the chaos was centered on imperial legitimacy rather than complete societal collapse
- When the empire fragmented into three pieces during the 3rd century, the breakaway regions were not attempts by discontent provincials to leave Rome, but rather provincial generals trying to take the entire imperial throne using only Roman political models because there were no alternative political imaginaries
- Diocletian solved the crisis by creating the tetrarchy—deputizing four Illyrian military colleagues to govern different military zones collaboratively—which reduced rebellions simply by having four armies manage multiple crises simultaneously rather than one emperor trying to handle everything
- Diocletian's ending of Italy's tax exemption and implementation of universal taxation was revolutionary because it meant all Romans now paid the same taxes regardless of status, making the system progressive by contemporary standards since even elites paid equally
- Diocletian's regulations binding certain occupations to land or inheritance were primarily tax enforcement mechanisms to ensure stable revenue streams, not a rigid caste system—there is no historical evidence of widespread complaints about forced occupational succession, and substantial physical mobility existed throughout the period
Topics
Transcript
[0:02] You said that one of the important aspects about this edict is that giving equal rights to provincials was one of the things that helped deal with the uh with the crisis of the 3rd century and was the thing that I think you said {quote} sapped discontent from the relevant populations which then minimized the probability of uprisings. >> Well, now that's a very long-term process. >> Yeah. >> Now, the 3rd century is a chaos, there's a crisis, it's a mess, right? So, [clears throat] what what follows the [0:33] edict is uh uh quite a few decades of unrest. >> Well, okay, let's put it in mildly. Let's talk about the crisis of the 3rd century…
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