Please answer a question about the following article about Armenia:

On the basis of the expansion and development of Yerevan State University a number of higher educational independent Institutions were formed including Medical Institute separated in 1930 which was set up on the basis of medical faculty. In 1980 Yerevan State Medical University was awarded one of the main rewards of the former USSR – the Order of Labor red Banner for training qualified specialists in health care and valuable service in the development of Medical Science. In 1995 YSMI was renamed to YSMU and since 1989 it has been named after Mkhitar Heratsi, the famous medieval doctor. Mkhitar Heratsi was the founder of Armenian Medical school in Cilician Armenia. The great doctor played the same role in Armenian Medical Science as Hippocrates in Western, Galen in Roman, Ibn Sīnā in Arabic medicine.

When was Yerevan State Medical Institute renamed to Yerevan State Medical University?
1995