In the extensive history of the National Hockey League, identifying an established modern franchise that has never experienced a loss in the Stanley Cup Finals reveals that virtually every multi-appearance team has tasted defeat at least once. Historical anomalies exist within the earliest challenge eras or among short-lived defunct franchises that folded after winning their only appearance, but modern teams that reach the championship round multiple times all carry losses on their resumes. Even the most dominant dynasties in league history—such as the Montreal Canadiens, Edmonton Oilers, and Detroit Red Wings—have experienced heartbreaking series defeats in the finals, meaning there is no modern multi-appearance franchise boasting a flawless, unblemished record in the championship round.