Complex sentence: Following this the science and humanities colleges were established in 1990 & 1991, respectively, and lastly the Ministry of Culture and Higher Education agreed to change the center for higher school in Zanjan to Zanjan University.
Split into simpler sentences: Following this the science and humanities colleges were established in 1990 & 1991, respectively. And lastly the Ministry of Culture and Higher Education agreed to change the center for higher school in Zanjan to Zanjan University.