Hammarskjöld was Secretary-General during which UN peace operation?
Suez Crisis
Sinai Operation
Lebanon Crisis
Congo Operation
Answer
The Congo Operation, also known as ONUC, was a United Nations peacekeeping mission in the Republic of the Congo (now the Democratic Republic of the Congo) from 1960 to 1964.
Dag Hammarskjöld: Unraveling the Legacy of the Renowned UN Secretary-General