This film was produced by the Motion Picture Producers and Distributors of America (MPPDA-later MPAA) to be shown at the United States Government Building at both the New York World's Fair and San Francisco Golden Gate International Exposition held in 1939 - 1940.
Land of Liberty (1939) is the last of four films in which George O'Brien and Janet Gaynor appeared together. The four films were --- The Johnstown Flood (1926), The Blue Eagle (1926), Sunrise (1927), and Land of Liberty (1939).