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In page Aosta Valley:

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The Aosta Valley was the first government authority to adopt Modern French as the official language in 1536, three years before France itself.[1] Italian and French are nowadays the region's official languages,[2] and are used for the regional government's acts and laws, though Italian is much more widely spoken in everyday life, and French is mostly spoken in cultural life. Education is conducted evenly in French and Italian,[2] so that anyone who has gone to school in the Aosta Valley can speak French to at least a medium-high level.[3]