The '''Organization of Ukrainian Nationalists''' ('''OUN''') was formed in 1929 by merger of several Ukrainian resistance movements to [[Bolshevik]] control of the [[Ukraine]]. The Soviet Union declared the OUN a terrorist organization. | The '''Organization of Ukrainian Nationalists''' ('''OUN''') was formed in 1929 by merger of several Ukrainian resistance movements to [[Bolshevik]] control of the [[Ukraine]]. The Soviet Union declared the OUN a terrorist organization. |