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  Edison builds the first motion picture camera.
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  The Edison Corporation makes the first motion picture studio.
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  The first movie theater opens in Pittsburgh.
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  William Hays establishes a code of decency that outlines what is acceptable in films.
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  A three-color system appeared in Becky Sharp.
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  wide-screen processes, the CinemaScope was created and used in the movie The Robe.
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  The motion picture rating system debuts with G, PG, R and X.