United Nations Institute for Training and Research (UNITAR) was established in:

United Nations Institute for Training and Research (UNITAR) was established in:

Explanation
The UNITAR is a dedicated training arm of the United Nations system. 
UNITAR stands for the United Nations Institute for Training and Research
UNITAR was founded in 1963
UNITAR commenced functioning in March 1965.
The Institute originally had its headquarters in New York City.
In 1993, UNITAR's headquarters were transferred to Geneva (Switzerland).