Battle of Kosovo in 1389 in which an army from the Ottoman Empire defeated a Serbian force.

FORBES: The Great Serbian Charity Dispute

Serbia's defeat at the Battle of Kosovo in 1389 ushered in centuries of rule by the Muslim Ottoman Empire.

BBC: Kosovo profile

As the Serbs have reminded the world over the past 15 years, everything would have been different had they not lost the Battle of Kosovo to the Ottoman Turks in 1389.

ECONOMIST: The Balkans after Milosevic