What is what national day is march 25?

March 25th is National Tolkien Reading Day, a day dedicated to celebrating the works of J.R.R. Tolkien, the author of popular fantasy novels such as "The Lord of the Rings" and "The Hobbit." This day encourages fans to immerse themselves in Tolkien's world by reading his books, watching movie adaptations, or participating in discussions and events related to his works. It is observed annually to honor and commemorate the influential contributions of J.R.R. Tolkien to the world of literature and fantasy.