Complex sentence: After graduating from the famous Jesuit college in Chyrów (then Austria-Hungary, now Ukraine), in 1898 he went to Riga, Latvia, where in 1903 he graduated from the Trade and Mechanics Faculty of the University of Riga.
Split into simpler sentences: After graduating from the famous Jesuit college in Chyrów (then Austria-Hungary, now Ukraine) in 1898, he went to Riga, Latvia to study. In 1903 he graduated from the Trade and Mechanics Faculty of the University of Riga.