Aug. 29 (UPI) -- On this date in history:
In 1533, Atahualpa, last of the Inca rulers, was strangled under orders of Spanish conqueror Francisco Pizarro. The Inca Empire died with him.
In 1929, the German airship, the Graf Zeppelin, completed its around-the-world flight, beginning and ending at Lakehurst Naval Air Station in New Jersey.
In 1949, the Soviet Union exploded its first atomic bomb at a remote test site at Semipalatinsk in Kazakhstan.
In 1958, the U.S. Air Force Academy opened at its permanent site in Colorado Springs, Colo., three years after its launch at a temporary location in Denver.
