Highest building in the world 1931-1972. Total height 449 m since 1951 after the addition of the TV mast. Total height 443.5 since early 1990s after antenna modifications. Construction time was only 1 year and 45 days. 73 elevators, 1860 steps using staircase. The name 'Empire State' is the nickname of New York State. In 1945 a twin-engined bomber crashed on the 79th floor of the building, killing fourteen people. In January 2000, 2 employees made a free fall of forty floors when an elevator cable broke. The lift was only stopped by the security system at the 4th floor.