History of the world's tallest buildings of world's tallest building was borne by shorter buildings. St. Mary's Church in Stralsund became the world's tallest building after the collapse of Lincoln Cathedral's spire. The central tower of St. Pierre's Cathedral was tallest from 1569 until it collapsed in 1573, making St. Mary's the tallest once again. In 1647, the bell tower of St. Mary's burned down, making the shorter Strasbourg Cathedral the world's tallest building. It was not until the completion of the Ulm Minster in 1890 that the world's tallest building was again also the tallest building ever constructed, surpassing the original configuration of Lincoln Cathedral.
Singer Building World Trade Center towers) and the tallest to be purposely demolished by its owner. The building was commissioned by Frederick Bourne, the head of the Singer Sewing Machine Company. He hired architect Ernest Flagg, who was an early exponent of the Beaux-Arts architectural style. Flagg had also designed the company's previous headquarters at 561 Broadway between Prince and Spring Streets—in what is now the SoHo neighborhood—which was referred to as the "Little Singer Building" after the new building was erected. Plans and working drawings were prepared by George W. Conable. Flagg believed that buildings more than 10 or 15 stories