On This Day: May 12 Was a Dies Comitialis
May 12: The Roman Forum fills with shouts—today, citizens can vote, debate, and decide their city’s fate.

Unknown — "Silver denarius of Postumius Albinus" (ca. 96 BCE), public domain
Rome opens the gates to democracy.
Not every Roman day allowed public business. On a dies comitialis, the Forum buzzed with possibility. Citizens lined up to cast votes, propose new laws, or challenge the powerful—shaping Rome with every shout and raised hand.
Power in the open air.
The days were precious. Religious or unlucky dates were off-limits, but on comitialis days, anyone could speak (or heckle) in the open air. The city’s future might pivot on a single afternoon’s debate.
A dies comitialis was rare: a day when public assemblies could meet, new laws could be born, and every citizen’s voice carried weight beneath the Capitol’s shadow.