Jiu Valley miners' strike of 1977
The Jiu Valley miners' strike of 1977 was the largest protest movement against the Communist regime in Romania before its final days , ushering in a period of intermittent labour unrest that would last a dozen years , and the most important challenge posed by a group of workers to the regime since the protests triggered by the Hungarian Revolution of 1956 . 
<triplet> Jiu Valley miners' strike of 1977 <subj> Romania <obj> country <triplet> Communist regime <subj> Romania <obj> located in present-day administrative territorial entity <triplet> Romania <subj> final days <obj> significant event <triplet> final days <subj> Romania <obj> country <triplet> Hungarian Revolution of 1956 <subj> 1956 <obj> point in time