International Arabic Language day. 18th of December, Arabic Language day. Arabic Calligraphy Vector HQ vector decoration template with the Daad Alphabet letter. Translated: Unique Arabic Letter Shutterstock .eps vector - International Arabic Language day. 18th of December, Arabic Language day. Arabic Calligraphy Vector HQ vector decoration template with the Daad Alphabet letter. Translated: Unique Arabic Letter - ID: 2066047625