After decades of wars and tense stalemates, almost no one saw it coming: Azerbaijan seized Nagorno-Karabakh from Armenian control seemingly overnight.
source https://www.nytimes.com/2023/09/27/world/europe/nagorno-karabakh-armenia-azerbaijan.html
source https://www.nytimes.com/2023/09/27/world/europe/nagorno-karabakh-armenia-azerbaijan.html