Today is the 205th anniversary of the events in 1714 that are celebrated as National Day in Catalunya.
It's a mixed commemoration -- the end of a 14-month siege of Barcelona when King Philip V beat back the Hapsburgs, but the beginning of more repression of Catalan independence by the Bourbons
https://en.wikipedia.org/wiki/National_Day_of_Catalonia
Nowadays it's celebrated by displaying the national flag and laying flowers to commemorate important military figures in Catalan history.