Balkan faultlines Avoiding a wider Balkan war was one of the reasons which Nato gave for its action against Yugoslavia: Our interactive regional map explains the implications for the region, if the peace does not hold.
History, bloody history For generations, Kosovo has been a territory disputed between Serbs and Albanians - indeed the history itself remains a source of contention.
The key figures How have the personalities and histories of the key players in the Kosovo crisis affected its course? Find out with BBC News Online's interactive guide.