Those who remember, can recall wars, and bombing and propaganda campaigns. In 1999, NATO intervened militarily to help the largely ethnic Albanian Kosovo gain its independence from Serbia. The autonomous province of Kosovo had voted 99 percent in favor of independence in a 1991 referendum. Eight years later NATO was bombing Belgrade on its behalf.
https://consortiumnews.com/2022/02/23/what-is-the-difference-between-kosovo-donbass/
