Armenia and Azerbaijan were locked in conflict over Nagorno-Karabakh for nearly four decades after the Soviet Union they were both members of collapsed. Here is a look at the history of the conflict and the latest developments as Armenian and Azerbaijani officials said on Thursday that they had agreed the text of a peace agreement.

Representatives of Armenia and Azerbaijan have concluded negotiations and agreed on the text of a peace agreement, the foreign ministries of both countries announced.

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.