Bloomsday is celebrated on June 16 each year, commemorating the life of Irish writer James Joyce and his novel Ulysses. The day marks the events of the book, which takes place in Dublin in 1904, following the character Leopold Bloom as he goes about his daily life. Festivities often include readings, performances, and walks through Dublin, highlighting locations mentioned in Ulysses. Participants may dress in period costumes, and many literary enthusiasts around the world join in the celebration, reflecting on Joyce's impact on literature and modernist writing.