UFO open history:

Russia : 1989

Mexican Air force : 10(oct) - 5- 2004

Brazilian Air Force (FAB) :  Friday, May 20, 2005  

France cnes (Centre National d'Etudes Spatiales): 22 March 2007 

UK MOD (Ministry of Defense): Oct 2007 announce UFO file open

Denmark Air Force : 29 th January, 2009,  UFO Disclosure

Canada:  February 20, 2009 : open its UFO X-files

Brazilian Government :  May 4, 2009 disclosed over 600 UFO new pages

Sweden : May 9, 2009 disclosing 18000 UFO X-files.

Uruguayan air force : June 24, 2009 declassifies UFO files

Russian navy : July 21, 2009 declassifies UFO files

New Zealand military : Dec 22, 2010 Hundreds of classified reports released