An anniversary is a date that marks the completion of a specific period since an event occurred. Commonly celebrated anniversaries include weddings, where couples commemorate the day they were married, and significant historical events, such as national independence days. These occasions often involve gatherings, gifts, and special activities to honor the memory of the event. People celebrate anniversaries in various ways, depending on cultural traditions and personal preferences. For example, couples may exchange gifts or plan romantic dinners, while communities might hold parades or ceremonies. Anniversaries serve as reminders of important milestones and foster connections among individuals and groups.