Complex sentence: This farflung federation collapsed in 1526 when armies of the Ottoman Empire won a crushing victory at the Battle of Mohács (Hungary), wresting Bohemia and Hungary from the Jagiellons and installing the Turks as a menacing presence in the heart of Europe.
Split into simpler sentences: This farflung federation collapsed in 1526 when armies of the Ottoman Empire won a crushing victory at the Battle of Mohács. The Ottoman conquest of the larger part of Hungary installed the Turks as a menacing presence in the heart of Europe.