1. Prussia sets up a State Office for the Care of Natural Heritage.

  2. The Emscher cooperative is founded to regulate sewage treatment in the Ruhrgebiet. Similar cooperatives follow: Ruhrverband, Lippeverband, Niersverband, Wupperverband.

  3. NABU (then the BfV) starts a campaign to save the yellow-billed egret and the bird of paradise, which are hunted for their feathers (for use in women's hats).