Hudson-Fulton-Champlain 400th Commemoration Commission Act of 2004

Hudson-Fulton-Champlain 400th Commemoration Commission Act of 2004 - Establishes the Hudson-Fulton-Champlain 400th Commemoration Commission to plan, develop, and execute programs and activities appropriate to commemorate, in 2009, the 400th anniversary of the voyage of Henry Hudson (the first European to sail up the Hudson River), the 200th anniversary of the voyage of Robert Fulton (the first person to use steam navigation on a commercial basis), and the 400th anniversary of the voyage of Samuel de Champlain (the first European to discover and explore Lake Champlain).

Sets forth reporting requirements. Provides for the termination of the Commission (and the transfer of all documents to the National Archives or other appropriate Federal entity) on December 31, 2010. Directs the Department of the Interior's Inspector General to perform an annual audit of the Commission and make the results available to the public.