Languages of the European Union languages, Latvian and Lithuanian; the Celtic languages, including Irish; and Greek are also Indo-European. Outside the Indo-European family, Estonian, Finnish, and Hungarian are Uralic languages while Maltese is the only Afroasiatic language with official status in the EU. The Basque language, a language isolate whose roots are unknown, is an official language in some parts of northern Spain, but not an official language of the EU. Most official EU languages are written in the Latin script. The two exceptions are Greek, which is written in the Greek script, and Bulgarian, which is written in Cyrillic script. With the accession of
Uralic languages languages are due to ancient contacts. Regardless, the hypothesis is accepted by a few linguists and viewed as attractive by a somewhat larger number. The Eskimo–Uralic hypothesis associates Uralic with the Eskimo–Aleut languages. This is an old thesis whose antecedents go back to the 18th century. An important restatement of it is Bergsland 1959. Uralo-Siberian is an expanded form of the Eskimo–Uralic hypothesis. It associates Uralic with Yukaghir, Chukotko-Kamchatkan, and Eskimo–Aleut. It was propounded by Michael Fortescue in 1998. Theories proposing a close relationship with the Altaic languages were formerly popular, based on similarities in vocabulary as well as in