Supporters of the 106-foot, 28-year-old, $1 million Christopher Columbus monument in the park at Penn’s Landing have sued the park’s nonprofit manager, which they say broke an agreement to maintain the monument. .

America 500 Anniversary Corp., which raised funds to donate the statue in 1992, is seeking a Common Pleas Court preliminary injunction “enjoining the Delaware River Waterfront Corp. from moving, damaging or destroying the Columbus Monument and requiring compliance with the Grant Agreement” that it made with the group’s predecessor, Penn’s Landing Corp.