Magna Carta for theachers adopted at UNESCO Magna Carta for teachers adopted at UNESCO - Ο.Η.Ε. (Οργανισμός Ηνωμένων Εθνών): O.N.U. (Organisation des Nations Unies); United Nations (UN); Λέσχη Φίλων Διεθνών Σχέσεων; Friends of International Relations