Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic Centre of Siena' has mentioned 'Republic' in the following places:
Occurrence Sentence Text Source
The Republic existed for over four hundred years, from the 12th century until 1555.
In the Italian War of 1551xe2x80x9359, the republic was defeated by the rival Duchy of Florence in alliance with the Spanish crown.
After 18 months of resistance, Siena surrendered to Spain on 17 April 1555,[12] marking the end of the republic.