Daesh
For IS, the conflict they are fighting is a millennial one for God's greater glory and temporal timelines like our calendar are largely irrelevant. Dramatic events like the loss of cities or leadership figures may change its dynamic, and in some cases significantly degrade its capacity, but are unlikely to eradicate the group. Rather, it will continue to evolve and grow regionally primarily, but also internationally, with attacks against western targets a continuing interest.
