Original: In 1821 districts were created in Hesse , including the districts Hersfeld and Rotenburg , which stayed nearly unchanged ( except a short period after the revolution of 1848 when they were dissolved ) through the annexion of Hesse-Kassel ( or Hesse-Cassel ) by Prussia and the creation of the Hesse state .
Simplified: In 1821 districts were created in Hesse , including the districts Hersfeld and Rotenburg , which stayed nearly unchanged after Hesse-Kassel was taken over by Prussia .