Complex sentence: In 1904 Pope Pius X allowed diocesan seminarians to attend the College and elevated it to the status of "Pontificium" on May 2,1906 making its degrees equivalent to those of the world's other Pontifical universities.
Split into simpler sentences: In 1904 Pope Pius X allowed diocesan seminarians to attend the College. He elevated the College to the status of "Pontificium" on May 2,1906 making its degrees equivalent to those of the world's other Pontifical universities.