Inter dibentuk pada 9 Maret, 1908 ketika sekelompok pmain memisahkan diri dari Klub Sepakbola dan Kriket Milan, belakangan menjadi AC Milan, karena mereka ingin membuka tim bagi orang asing.
Inter were formed on March 9, 1908 when a group broke away from Milan Cricket and Football Club, later to become AC Milan, because they wanted to open up a team to foreigners.