Bloomsday is an annual literary celebration that takes place on June 16th, commemorating the life and works of the Irish writer James Joyce. The event is named after Leopold Bloom, the central character in Joyce's novel "Ulysses," which is set in Dublin on June 16, 1904.

On Bloomsday, enthusiasts often dress in period clothing and participate in a variety of activities related to James Joyce and "Ulysses." This can include public readings of excerpts from the novel, reenactments of scenes, musical and theatrical performances, guided tours of Dublin following the route taken by the characters in the book, and various other cultural events.

Dublin, particularly the locations mentioned in "Ulysses," becomes the focal point for many Bloomsday celebrations. However, events and celebrations related to Bloomsday have spread to other parts of the world where James Joyce's work is celebrated and appreciated.

Bloomsday is a significant cultural event, showcasing the influence and impact of James Joyce's writing on literature and culture. It allows fans and scholars to come together, celebrate Joyce's work, and immerse themselves in the world he created in "Ulysses."