Task: Text Simplification
Input (English): history and mandate the drug enforcement administration was established on 1 july 1973 , by reorganization plan no. 2 of 1973 , signed by president richard nixon on 28 march 1973.
Output (English): the drug enforcement administration was created on july 1st , 1973 , by the reorganization plan # 2 of 1973 . it was signed by president richard nixon on march 28th , 1973.