dec 2, 2009 - Burj Khalifa
With a total height of 829.8 m (2,722 ft) and a roof height (excluding antenna) of 828 m (2,717 ft), the Burj Khalifa has been the tallest structure in the world since its topping out in late 2008.
Added to timeline:
History of Human Civilization
This is a rough history of human migration, advancement, and...