The United States Supreme Court has long been considered one of the most protected institutions in American democracy, and one historic trial set that precedent in motion.
Only one Supreme Court justice has ever been impeached by the House of Representatives, a fact that surprises many people given the political battles that have surrounded the court throughout its history.
That justice was a signer of the Declaration of Independence, lending his case an added layer of constitutional significance that resonated deeply at the time.
He was appointed to the Supreme Court by George Washington, making his subsequent impeachment a particularly charged moment in the young nation’s political life.
His political enemies brought eight articles of impeachment against him, accusing him of conduct they characterised as nakedly partisan behaviour unbecoming of a justice.
The Senate ultimately acquitted him, a decision that would reverberate through American legal and political history for more than two centuries.
That acquittal is widely credited with establishing a foundational principle: that a Supreme Court justice cannot be removed simply because the ruling party dislikes their decisions.
The outcome drew a firm line between judicial independence and political accountability, distinguishing the court from the elected branches of government in a meaningful and lasting way.
Without that precedent, the Supreme Court as an institution might look very different today, potentially subject to political pressure every time it issued an unpopular ruling.
The case remains a touchstone in discussions about the separation of powers and the degree to which the judiciary should be insulated from the shifting winds of partisan politics.
It is a reminder that some of the most important constitutional principles in American life were not written into law but were instead forged through contested moments of political confrontation and legal struggle.