<prompt> Mushure meHondo yeDuchy, Germany yakasangana nenguva pfupi yerunyararo. Chibvumirano cheGastein, chakasainwa nevakundi vaviri musi wa14 Nyamavhuvhu 1865, chakaisa matunhu ekare eDanish pasi pekutonga kwePrussian-Austrian uye nyika mbiri idzi dzakatora chikamu cheDuchy. Zvisinei, misiyano yemafungiro maererano nehutongi hwemapurovhinzi yakakurumidza kukonzeresa kupokana pakati pevaimbove mubatanidzwa. Musi wa9 Chikumi 1866, Prussia yakatora Holstein, iyo yaitongwa neAustria. Munguva iyi, akakumbira Diet yeVienna yeFrankfurt kuti iite musangano mukuru wenyika dzeGerman kurwisa Prussia, iyo yakaitika musi wa14 Chikumi.  <response>: 1866 makore gumi nematanhatu 