Complex sentence: He attended a secondary school in 1954-1964 in Mörön, Khövsgöl Province and was graduated from the History Faculty of National University of Mongolia as a history and philosophy teacher in 1968.
Split into simpler sentences: He attended a secondary school in Mörön, Khövsgöl Province in 1954-1964. Then he was graduated from the History Faculty of National University of Mongolia as a history and philosophy teacher in 1968.