There was no referendum in Kosovo. That’s just 0buttcrack propaganda.
Majority Albanaian population in Kosovo left Serbia.
The 2008 declaration of Kosovo was instituted by the Kosovo Assembly by rhe majority Albanian population against the objections by the Serb minority.
It was the second such decleration, the first happening in 1990. It ended the territorial integrity of Serbia. And it has come back to bite Europe and the U.S. in the behind.
Facts. Learn some...