Cinema of Argentina because harassment led to the exile of a number of prominent actors, among them Alberto de Mendoza, Arturo García Buhr, Niní Marshall and Libertad Lamarque, whose rivalry with her colleague Eva Duarte turned against her when the latter became First Lady in 1946. Argentine cinema began losing viewership as foreign titles gained an increasing foothold in the Argentine market. The problem eventually became so bad that Argentina tried to curb the influx with the Cinema Law of 1957, establishing the "Instituto Nacional de Cinematografía" to provide education and funding. Among the era's most successful films were: "Historia de una noche,"
First Lady for example "First Lady Tonette Marie Walker of Wisconsin". The practice is less common for spouses of mayors but is nevertheless used for some, particularly in large cities; example: "First Lady Amy Rule of Chicago" or "First Lady Kris Barrett of Milwaukee." Mike Gregoire, husband of former Washington state governor Chris Gregoire, preferred to use his name instead of a common noun, calling himself "First Mike". "First Lady" is also used to refer, less formally, to wives of college and university presidents. It has even been used in reference to female spouses of men who were chairmen of major corporations.