Claim: On December 20, 1933, the original structure of Thornton Fractional North High School (which originally opened in 1926 under a different name) was destroyed by fire.
Evidence: Thornton Fractional North High School (T.F. North, TF North, TFN) in Calumet City, Illinois first opened its doors in March 1926 as Thornton Fractional Township High School. On December 20, 1933, the original school structure was destroyed by fire. 1926