CEDAR RAPIDS — The History Center has raised about 67 percent, or $2.6 million, in its Landmark & Legacy campaign with the help of some recent grants. The Hall-Perrine Foundation awarded $500,000 to the center as a capstone gift once the campaign reaches $3.4 million of its $3.9 million fundraising goal.The funds will go toward the rehabilitation of the Douglas Mansion, a more-than-120-year-old building at 800 Second Ave.