Armenian and Azerbaijani officials said Thursday that both countries have agreed to a peace agreement set to end nearly four decades of conflict between the two post-Soviet countries. The neighboring countries have been engaged in a decades-long conflict over Nagorno-Karabakh,

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.

The United States of America has welcomed the completion of negotiations between Armenia and Azerbaijan on a historic peace treaty, according to a statement on the US State Department’s website.