: The Basque language, Euskara , is a language isolate, meaning it has no known relation to any other living language family, including Indo-European languages.

: Despite historical suppression—most notably during the Franco regime—Euskara has seen a revival and remains a central pillar of Basque national identity. Genetic Distinctiveness

: Genetic studies suggest Basques are descendants of Neolithic farmers who mixed with local Mesolithic hunters and remained isolated from later migrations, such as those of the Romans and Moors.