Social Media Marketing Calendar 2025 Uk. Scroll below to see the list of social media holidays in 2025 — or bookmark this calendar! From random fun ideas like croissant day , to more serious matters like world mental health day.

To save you some time we put together this marketing calendar, complete with most of 2025 holidays and main events around the world. With digital trends constantly shifting and viral moments always on the horizon, it’s more important than.