But hurdles remain. Azerbaijan also said Armenia’s constitution must “eliminate the claims against the sovereignty and territorial integrity of Azerbaijan,” as a prerequisite to allow for the signing of the peace treaty.

Armenia and The Azerbaijan Republic have reached an agreement on a peace treaty, marking a significant step toward ending nearly four decades of conflict between the two former Soviet republics, officials from both countries announced on Thursday.

Armenian Prime Minister Nikol Pashinyan and Russian President Vladimir Putin speak at a summit of leaders of nations, which are members of the Commonwealth of Independent States (CIS), at the Kremlin in Moscow,