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.

Armenian and Azerbaijani officials said on Thursday that they had agreed the text of a peace agreement to end nearly four decades of conflict between the South Caucasus countries, a sudden breakthrough in a fitful and often bitter peace process.

Armenia and Azerbaijan agreed to the terms of a long-awaited peace treaty Thursday that could end a decades-long conflict that began with the fall of the Soviet Union.

French President Emmanuel Macron announced that Armenia and Azerbaijan have concluded negotiations on peace treaty terms. This development removes barriers to signing a peace treaty, potentially facilitating long-lasting peace in the South Caucasus region.

French President Emmanuel Macron said on Thursday that the agreement of peace treaty terms between Armenia and Azerbaijan should open the way for a lasting peace deal in the region.

Armenia and Azerbaijan have fought a series of wars since the late 1980s, when Nagorno-Karabakh, a region in Azerbaijan that had a mostly Armenian population at the time, broke away from Baku with Yerevan's support.

Armenia and Azerbaijan were locked in conflict over Nagorno-Karabakh for nearly four decades after the Soviet Union they were both members of collapsed.