 In mid 17th century AD, due to the plague that hit the area hard, a period of decline began, and irreversibly Montelupo Fiorentino was led to a drastic restructuring, which reached its peak in the late 18th century AD.Since then and until World War II, Montelupo Fiorentino found himself on the border of everything.The country was shaken in the last half of the 20th century AD by some catastrophic natural events in nature.