This is only the fourth time that the Security Council has imposed sanctions, the earlier cases being against Rhodesia, South Africa and, most recently, Iraq.
The Security Council imposed sanctions four times previously against other countries.  
Sanctions were only imposed three times previously for a total of four.  
( z1 sanction :frequency 4 :ARG0 ( z2 organization :name ( z3 name :op "Security" :op "Council" ) ) :ARG1 ( z4 country :mod ( z5 other ) ) :time ( z6 previous ) )