How tall was the tallest building in Manchester, New Hampshire before the current tallest took that title?
Brady Sullivan Plaza:  For 20 years, from its completion in 1972 until the completion of the 275 ft One City Hall Plaza at 900 Elm Street in 1992, it was the tallest building in the U.S. state of New Hampshire and in northern New England. City Hall Plaza (Manchester):  Since its completion in 1992, City Hall Plaza has been the tallest building in the city of Manchester, the state of New Hampshire, and northern New England (the states of New Hampshire, Maine, and Vermont).
i don't know