December 18, 2007
On Tuesday, December 18, 2007, the President signed into law:
H.R. 3315, which designates the great hall of the Capitol Visitor Center as Emancipation Hall.
George W. Bush, Statement by the Press Secretary: President Bush Signs H.R. 3315 into Law Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/283413