The most famous episode concerning Campidoglio is about an invasion attempt. On July, 8th 390 B.C., the Romans were defeated by the Gauls near Allia river. The enemies advanced for the next 3 days until they reached Rome: they sacked the whole city except Campidoglio. According to legend, the nighttime attack of the Gauls failed thanks to the cry of the geese inside the temple dedicated to Goddess Juno. In her honour, the Temple of Juno Moneta (from the word "ammonitrice", "warning") was erected between 353-344 B.C.. Later, this place hosted the headquarters of the first mint. It is curious to notice that today, the Italian word for "coin, currency" is "moneta".