September 11: Guide to the demonstration, offering, concerts, and events for Catalonia's National Day Politics | 09/09/2025
![Unitary demonstration for the National Day of Catalonia in Barcelona, September 11, 2024.](data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 9"%3E%3C/svg%3E)