Pullman National Historical Park Act This bill establishes the Pullman National Historical Park in Illinois as a unit of the National Park System. The park shall preserve and interpret the significant labor, industrial, civil rights, and social history of the park; the significant architectural structures in the park; and the role of the Pullman community in the creation of the first national Labor Day holiday. Also, the park shall coordinate the preservation, protection, and interpretation efforts of the park by the federal government, Illinois, units of local government, and private and nonprofit organizations; and the management options necessary to ensure the protection, preservation, and interpretation of the many significant aspects of the park. The park's boundary shall be established by the Department of the Interior, but must not exceed the boundary of the approximately 300-acre Pullman Historic District in Chicago. Upon conveyance by Illinois to Interior, the park shall include the Pullman Factory Complex, including the Clock Tower Building and rear erecting shops; and the approximately 13 acres of land on which those structures are located. Interior must complete a general management plan for the park.