the kosovo conflict triggered a counter-insurgency campaign in 1998-1999 by "yugoslav serb armed forces" (vj) fighting against "kosovo liberation army" (kla) fighters that escalated into the kosovo war (1999) and military intervention from the "north atlantic treaty organization" (nato). during the counter-insurgency campaign yugoslav serb forces targeted collections of various state archives and buildings, museums and libraries; islamic libraries, muslim theological schools and sufi lodges (tekkes).