September Uprising
The September Uprising ( , "Septemvriysko vastanie" ) was an armed insurgency staged in September 1923 by the Bulgarian Communist Party ( BCP ) under Comintern pressure and attempted to overthrow Alexander Tsankov's new government of Bulgaria that had come to power with the coup d'état of 9 June . 
<triplet> Alexander Tsankov <subj> new government <obj> member of political party