Didius Julianus literally bought the Roman Empire

The video discusses the political instability in Rome following the death of Comedus. The Praetorian Guard decided to sell the emperor's position to the highest bidder, leading to Didius Giulianus becoming emperor. However, his reign was short-lived due to widespread unpopularity and rebellion led by General Septimus Severus. Ultimately, Didius was captured, executed, and erased from history by the Senate.

What was unique about Didius Giulianus's ascent to the throne compared to other emperors?

How did the Senate respond to Didius Giulianus's rule?