The North American Aerospace Defense Command (NORAD) has been tracking Santa since 1955.
This modern Christmas tradition was started by accident.
That year a wrong number published in a Colorado Springs newspaper Sears Roebuck & Co. advertisement told kids to call Santa.
According to NORAD "Instead of reaching Santa, the phone number put kids through to the Continental Air Defense Command (CONAD) Commander-in-Chief's operations 'hotline'. The Director of Operations at the time, Colonel Harry Shoup, had his staff check the radar for indications of Santa making his way south from the North Pole. Children who called were given updates on his location, and a tradition was born."
In 1958 the American-based CONAD combined forces with Canada to create NORAD.
With modern technology, NORAD now tracks Santa online.
Check out the Santa's movements at http://www.noradsanta.org/.
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