Complex sentence: After graduating from high school, he joined the Department of Law of the University of Lviv, which was expelled in 1901, for the organization of 19 November 1901 on the college student demonstration demanding establishment of a separate Ukrainian university in Lviv.
Split into simpler sentences: After graduating from high school, he joined the Department of Law of the University of Lviv. He was later expelled in 1901 for organizing a college student demonstration on 19 November, where students demanded the establishment of a separate Ukrainian university in Lviv.