On this day: July 26

Published On: Jul 25 2012 05:47:01 PM CDT   Updated On: Jul 26 2013 01:00:00 AM CDT

The Inca civilization suffers a blow, the Postal Service, the FBI and the CIA are born, The Babe makes his last public appearance, and the space shuttle returns to space, all on this day.

OTD July 26 - Sacred Cow airplane
25 / 49
U.S. Air Force

1947: President Harry S. Truman signs the National Security Act of 1947 into law, creating the Central Intelligence Agency, United States Department of Defense, United States Air Force, Joint Chiefs of Staff and the United States National Security Council. The bill signing took place aboard Truman's VC-54C presidential aircraft Sacred Cow (pictured), the first aircraft used for the role of Air Force One.

Upload Photos / Videos