Rioting breaks out in Serbia. Serbs protest Kosovo's sovereignty. Kosovo Albanians become a sovereign nation state in less than 50 years. That is, the Albanians have become the majority ethnicity in Kosovo in the past 50 years. Prior to that, Kosovo had a Serbian majority.
Congratulations to the people of Kosovo on the birth of their new nation-state. The U.S., England, France and Turkey have all recognized Kosovo as a sovereign nation. Serbia had refused to grant freedom to the ethnic Albanian majority that comprise 95% of Kosovo's 2 million people. Serbia has now stated that it would block admittance to the U.N. for Kosovo and arrest its leaders and put them on trial. Today, Serbia recalled its ambassador to the U.S.
Looking at the map
,you can see the country of Montenegro. They gained independence from Serbia but are ethnically the same as the Serbs. All States were once part of the Soviet Block under the Yugoslav Federation. "Yugoslavia" means "Southern Slavs" and are considered Ethnic brothers by the Russians.
Despite the blatant hypocrisy, Serbia has refused to allow the Ethnic Albanians self-determination.
China, the world's fastest rising superpower expressed concern over Kosovo's independence. China said Kosovo's unilateral decision to secede could destabilize the region. It was in Sarajevo, Bosnia where WWII began in 1919.