In the story of an hour by kate Chopin what has happened to Mrs mallards husband before the story begins?

Before the story begins, Mrs. Mallard's husband, Brently Mallard, has died in a train accident. The news of his death is delivered to her gently, as she has a heart condition that could be exacerbated by shock. This tragic event sets the stage for Mrs. Mallard's emotional journey as she grApples with her feelings of grief and unexpected liberation.