In this study, the concept of Nationalism, which is of great importance for the present day, but the subject of little research in the academic field until the beginning of the 20th century, has been researched as the emergence of nationalism movement and the ethnic basis of the nations. There is both a danger and hope in the division of people into nations, persevering the power of national identity in every corner of the world. The study is based on a project for the Turkish world. The coverage area of the project is the Turkish states; Republic of Turkey being in the first place and including Azerbaijan, Uzbekistan, Turkmenistan, Kyrgyzstan, Kazakhstan. These states with a total population of over 300 million can come together like the European Union. We can call this union the Turkish Union.