On June 16, 1904, Irish writer James Joyce had his first date with Nora Barnacle, a woman from western Ireland who worked as a chambermaid in Finn’s Hotel in Dublin. This romantic encounter led to a lifetime together, in which the couple lived a peripatetic life on the European continent and had two children, Giorgio and Lucia. It also inspired the setting for a masterpiece of literature: Ulysses (1922). Written partly in a revolutionary stream-of-consciousness literary style, Ulysses centers on three characters—Stephen Dedalus, Leopold Bloom, and Molly Bloom—on a single day (June 16, 1904) in and around Dublin. Itself a massive tome, the work details a series of events that loosely parallel those in Homer’s epic poem Odyssey. June 16 has since become known as Bloomsday, when Ulysses is celebrated as a festival in cities around the world, most famously in Dublin. Britannica’s interactive map is a portal to June 16, 1904, where fans can see the places and learn more about the characters feted in Bloomsday.