Complex sentence: The official system of Ukraine, also employed by the United Nations and many countries' foreign services, is currently widely used to represent Ukrainian geographic names, which were almost exclusively romanized from Russian before Ukrainian independence in 1991.
Split into simpler sentences: The official system of Ukraine also employed by the United Nations and many countries' foreign services. It is currently widely used to represent Ukrainian geographic names, which were almost exclusively romanized from Russian before Ukrainian independence in 1991.