Another of history’s many lessons is that governments under pressure become thieves. And today’s governments are under a lot of pressure.

Before we look at the coming wave of asset confiscations, let’s stroll through some notable episodes of the past, just to make the point that government theft of private wealth is actually pretty common.

• Ancient Rome had a rule called “proscription” that allowed the government to execute and then confiscate the assets of anyone found guilty of “crimes against the state.” After the death of Julius Caesar in 44 BC, three men, Mark Anthony, Lepidus, and Caesar’s adopted son Octavian, formed a group they called the Second Triumvirate and divided the Empire between them. But two rivals, Brutus and Cassius, formed an army with which they planned to take the Empire for themselves. The Triumvirate needed money to fund an army of its own, and decided the best way to raise it was by kicking the proscription process into overdrive. They drew up a list of several hundred wealthy Romans, accused them of crimes, executed them and took their property.