List of tallest buildings
The international non-profit organization Council on Tall Buildings and Urban Habitat (CTBUH) was formed in 1969 and announces the title of "The World's Tallest Building" and sets the standards by which buildings are measured. It maintains a list of the 100 tallest completed buildings in the world. The organization currently ranks Burj Khalifa in Dubai as the tallest at . The CTBUH only recognizes buildings that are complete however, and some buildings included within the lists in this article are not considered finished by the CTBUH.
Woolworth Building
The building opened on April 24, 1913. Woolworth held a grand dinner for over 900 guests, and at exactly 7:30 p.m. EST, President Woodrow Wilson pushed a button in Washington, D.C., to officially turn on the building's lights. Attendants included Francis Hopkinson Smith, who served as toastmaster, author William Winter, and businessman Patrick Francis Murphy. On completion, the Woolworth Building topped the record set by the Metropolitan Life Insurance Company Tower as the world's tallest building, a distinction it held until 1930.