 On January 1, 1975, the municipalities of Liedolsheim and Rußheim were merged in the course of municipal reform to become the community of Liedolsheim-Rußheim.For simplicity the new municipality was renamed Dettenheim on 1 January 1978 because the lengthy name Liedolsheim-Rußheim had been found to be disadvantageous and the historical name Dettenheim was preferred versus possible artificial names.The previous separation of Dettenheim is the reason that its districts have different area codes.