Thread:BEJT/@comment-27724978-20190428201630/@comment-26838855-20190429131200

It would seem from the car that goes past that it was closer to the 1940s. If so, that means Steve was always Peggy's mysterious husband, which means it has to be between July 1947 (end of Agent Carter: Season 2) and 1953 (Peggy mentions having a husband in an interview).