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  • Ohio Constitution Bullet_green Adopted by Constitutional Convention March 10, 1851

    Ratified by vote of the People June 17, 1851

    Became effective upon Admission September 1, 1851

  • Oklahoma Constitution Bullet_green Adopted by Constitutional Convention July 16, 1907

    Ratified by vote of the People September 17, 1907

    Became effective upon Admission November 16, 1907

  • Oregon Constitution Bullet_green Adopted by Constitutional Convention September 18, 1857

    Ratified by vote of the People November 9, 1857

    Became effective upon Admission February 14, 1859

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