Successively part of the Ottoman Empire, Austria-Hungary, and Yugoslavia, Bosnia has historically been multiethnic, with ethnicity often aligning with religion. Christian Orthodox Serbs, Muslim Bosniaks, and Catholic Croats constituted the majority of Bosnia's population, with significant Roma and Jewish minorities. In 1992, with the break-up of Yugoslavia, Serb ultra-nationalists living in Bosnia implemented a program of "ethnic cleansing" against non-Serb Bosnians, with the aim of joining part of Bosnia to Slobodan Milosovic's Greater Serbia. In addition to fomenting the worst human rights abuses seen in Europe since World War II, this genocide displaced nearly a quarter of Bosnia's pre-war population. Today, nearly one million Bosnians live in diaspora in a variety of places around the world.
Read more: http://www.fontbonne.edu/bosnia.