 From 1947 to 1960 the country seems to have been divided into three major military regions : Cluj , Bacău , and Bucharest in the west , east , and south , respectively . In wartime the land forces in each military region would become an army corps with their headquarters in Cluj @-@ Napoca , Iaşi , and Bucharest . Armies seem to have succeeded military regions in 1960 , and three armies seem to have become four in 1980 . What is known is that on 01 @.@ 07 @.@ 1947 Fourth Army became 3rd Military Region , based in Cluj . The 3rd Military Region became the 3rd Army on 30 April 1960 , and the 4th Army on 5 April 1980 . 
 From 1947 to 1960 the country <a href='uninflect' title='1'><mark>seems</mark></a> to <a href='been_done' title='2'><mark>have</mark></a> been divided into three major military regions : Cluj , Bacău , and Bucharest in the west , east , and south , respectively . In wartime the land forces in each military region would become an army corps with their headquarters in Cluj @-@ Napoca , Iaşi , and Bucharest . Armies seem to <a href='been_done' title='3'><mark>have</mark></a> succeeded military regions in 1960 , and three armies seem to <a href='been_done' title='4'><mark>have</mark></a> become four in 1980 . What is known is that on 01 @.@ 07 @.@ 1947 Fourth Army became 3rd Military Region , based in Cluj . The 3rd Military Region became the 3rd Army on 30 April 1960 , and the 4th Army on 5 April 1980 . 
From 1947 to 1960 the country seem to done been divided into three major military regions : Cluj , Bacău , and Bucharest in da west , east , and south , respectively . In wartime the land forces in each military region would become an army corps with their headquarters in Cluj @-@ Napoca , Iaşi , and Bucharest . Armies seem to done succeeded military regions in 1960 , and three armies seem to done become four in 1980 . What is known is that on 01 @.@ 07 @.@ 1947 Fourth Army became 3rd Military Region , based in Cluj . Tda3rd Military Region became the 3rd Army on 30 April 1960 , and the 4th Army on 5 April 1980 .