Who is the only sultan who visited Europe on a diplomatic mission? A Abdulmajid B Mehmed Vahideddin C Abdulaziz D ) Osman III

The correct answer is D) Osman III. He was the only Ottoman sultan who visited Europe on a diplomatic mission. In 1754, he traveled to Vienna, Austria, to negotiate the renewal of the Habsburg-Ottoman alliance and to discuss various diplomatic and trade issues with the Habsburg Emperor, Maria Theresa. This visit marked a significant event in the diplomatic relations between the Ottoman Empire and Europe.