1467 Albanian kingdom comes under direct Caliphate control. Enjoys internal autonomy. 1521 Sulaiman the Magnificent conquers Belgrade. 1600-1700 Albanians convert to Islam in huge numbers as they come in contact with Muslims from Turkey and elsewhere and find Islam's teachings attractive. Many Serbs migrate to Hungary.
Ottoman Empire loses Bulgaria, Montenegro, and Serbia.
1912 First Balkan War. Serbs occupy Kosova. Ottoman Empire loses practically all of its European holdings. A period of oppression of Muslims begins. Churchill gives Kosova, along with Macedonia, Slovenia, and Croatia to Communist regime of Josip Tito in Yugoslavia.