Gov. Tom Corbett will visit the National Constitution Center Wednesday for what the museum bills as a "historic announcement."
Corbett, who will be joined by state and local officials, will announce details of a "landmark agreement" between the state and the New York Public Library.
The announcement will "Make public one of America’s most important and elusive historic artifacts for the benefit of 'We the People,'" according to a news release.
The announcement will occur at the center, at 525 Arch Street in Independence Mall, around 10 a.m.