Franz Erdmann Mehring was a German communist historian, literary and art critic, philosopher, and revolutionary socialist politician who was a senior member of the Spartacus League during the German Revolution of 1918–1919.

Sławno is a town on the Wieprza river in Middle Pomerania region, north-western Poland, with 12,511 inhabitants (2019). It is the administrative seat of Gmina Sławno, though not part of it. The town is also the capital of Sławno County in West Pomeranian Voivodeship.