Question: Which city in central Niger was where weapons were burned in September 2000 to commemorate a peace agreement?
Sentence (from "Concord Day"): While this accord was signed only by some armed groups and sporadic fighting continued until 1999, it marked the beginning of the end of the 1990 rebellion in the north and east of the country carried out by elements of Tuareg, Toubou, and other communities.
Relevant evidence: No