robespierre and his supporters created a new calendar. why would they want to wipe out “every trace of france’s past?”

They wanted to erase the old order—monarchy, nobility, and the Catholic Church—and symbolically restart history so that everything began with the Revolution itself.

Key idea in one line

By creating a new calendar, Robespierre and his supporters tried to break people’s emotional and cultural ties to “Old Regime” France and build loyalty to a brand‑new revolutionary society.

Revolution as a fresh start

• The Revolutionaries saw 1789–1792 as the birth of a completely new era of liberty and equality, so they reset time itself to “Year I” of the French Republic.

• If the old system was corrupt, they believed that keeping its dates, saints’ days, and royal anniversaries kept its spirit alive in people’s minds.

Attacking church and monarchy

• The old Gregorian calendar was full of Christian festivals and saints’ days, so replacing it was part of a wider campaign to “dechristianize” France and weaken the Church’s influence.

• Erasing traditional feast days and royal commemorations helped cut the symbolic connection to kings, nobles, and the church‑controlled past that Robespierre blamed for oppression.

Building a “republic of virtue”

• Supporters of Robespierre talked about creating a “republic of virtue,” where citizens’ loyalties would be to the nation, reason, and revolutionary ideals—not to the king or the clergy.

• A new, rational calendar—with new month names and a new “Year I”—was meant to constantly remind people that their true identity began with the Revolution, not with old France.

Why “every trace of France’s past”?

• To them, “France’s past” meant injustice: absolute monarchy, rigid class privilege, and religious authority over everyday life.

• By trying to wipe out every trace of that past—even in something as basic as how people told the date—they hoped to make a return to the old system psychologically and culturally impossible.

TL;DR: Robespierre and his supporters created a new calendar because they wanted to break with the royal and religious Old Regime and remake French society, identity, and even time itself around revolutionary ideals.