Upon its inauguration in January 2010, Burj Khalifa easily surpassed the Taipei 101 (Taipei Financial Center) building in Taipei, Taiwan, which measured 1,667 feet (508 metres), as the worlds tallest building. At the same time, Burj Khalifa broke numerous other records, including the worlds tallest freestanding structure, the worlds highest occupied floor, and the worlds highest outdoor observation deck.