In 1867 the Proushie admeenistration established twinty destricts in its province o Schleswig-Holstein, amang thaim the destricts o Rendsburg an Eckernförde. The present destrict wis established in 1970 bi mergin the umwhile destricts. Rendsburg wis pairt o Denmark till the Proushie-Dens war. Proushie wan an Rendsburg became part of it. In the years follaein Proushie an Rendsburg became pairt o Germany.