The Italian national flag was born in Reggio Emilia on 7 January 1797. On that day the representatives of the four cities of Reggio Emilia, Modena, Bologna and Ferrara proclaimed the green, white and red tricolor as the banner of the Cispadana Republic. The historic session took place inside the Palazzo Comunale in the great hall built between 1772 and 1787 on a project by Lodovico Bolognini to house the general archive of the Estense Duchy. The hall was later called the Congress Hall and then the Tricolor Hall and is now the seat of the Municipal Council.The Museum of the Tricolore opened in 2004 to document the historical and political context in which the flag was created. A second section referring to the events of the Risorgimento was added to the first section dedicated to the Napoleonic era.In 2017, on the occasion of a general revision of the paths and the definition of a new new laboratory spaces and the important nucleus of works of the Ninety artists for one flag project, an exhibition-laboratory in which the theme of the flag opens up to confrontation with contemporaneity and the creativity of inspiration.