European Union in a conversation in a language other than their mother tongue. Most official languages of the EU belong to the Indo-European language family, represented by the Balto-Slavic, the Italic, the Germanic, the Hellenic, and the Celtic branches. Some EU languages however, namely Hungarian, Finnish, Estonian (all three Uralic), Basque (Vasconic) and Maltese (Semitic) do not belong to Indo-European languages. The three official alphabets of the European Union (Cyrillic, Latin, and modern Greek), all derive from the Archaic Greek scripts. Besides the 24 official languages, there are about 150 regional and minority languages, spoken by up to 50 million people. Catalan,
Uralic languages resembles Nostratic in including Uralic, Indo-European, and Altaic, but differs from it in excluding the South Caucasian languages, Dravidian, and Afroasiatic and including Chukotko-Kamchatkan, Nivkh, Ainu, and Eskimo–Aleut. It was propounded by Joseph Greenberg in 2000–2002. Similar ideas had earlier been expressed by Heinrich Koppelmann in 1933 and by Björn Collinder in 1965. The hypothesis that the Dravidian languages display similarities with the Uralic language group, suggesting a prolonged period of contact in the past, is popular amongst Dravidian linguists and has been supported by a number of scholars, including Robert Caldwell, Thomas Burrow, Kamil Zvelebil, and Mikhail Andronov. This