Revolution on Granite
Ukraine was then the Ukrainian SSR , part of the Soviet Union ( since 1922 ) until its declaration of independence from the Soviet Union on 24 August 1991 . 
<triplet> Ukrainian SSR <subj> Soviet Union <obj> member of <triplet> Soviet Union <subj> Ukrainian SSR <obj> contains administrative territorial entity <triplet> declaration of independence from the Soviet Union <subj> 24 August 1991 <obj> publication date