What building was built earlier,  Manhattan Life Insurance Building or 15 Penn Plaza?
15 Penn Plaza 15 Penn Plaza, also known as the Vornado Tower, is a proposed 68-story tower in the Midtown Manhattan section of New York City planned by Vornado Realty Trust. It would have 430 units and 2,050,000 square feet (190,451 m²) of floor space. The Hiller Group is the designer. Despite only having 68 floors, it would be just 10 m shorter than the Empire State Building, which has 102 floors.
Omaha National Bank Building The Omaha National Bank Building was built in 1888–89 at 1650 Farnam Street in Downtown Omaha, Nebraska. Built in the Italian Renaissance style, the building was saved from demolition by a rehabilitation in 1978. Listed on the National Register of Historic Places in 1972, the building was originally known as the New York Life Insurance Building; it was renamed in 1906.