Your editorial on Serbia (“Time to stop indulging Serbia’s authoritarian president”, the FT View, August 18) rightly points to the risk of irredentism in the eastern part of Europe, where borders have ...

Today, many countries around the world are nation-states: sovereign political entities in which one “nation” (a particular ethnic, cultural, or linguistic group) comprises a large majority of a ...

For most of the post-war era, the principle of the territorial integrity of states was sacrosanct. In the 1950s and 1960s, the United Nations’ (UN) definition of the right to self-determination was ...

History has come roaring back to challenge our sense of global order. So long as the post-World War II international system commanded broad respect, we could pretend to keep the peace while ...

The second Karabakh war may have ended in November, but the Armenian-Azerbaijani conflict continues. Post-war relations between the two states have remained utterly polarized around a slew of issues, ...

Why do nations go to war? The simple answer: Territory. Even though it is argued to be a prerequisite element for the sovereign statehood of a country, it has remained a matter of life and death in ...

As Russia continues its incursions into Ukraine, and lays claim to larger parts of the nation, pundits continue to raise and use the words “irredentism” and “revanchism.” Irredentism, where a country ...