 Nyorai kupfuurira kweiyi ndima - Muna 1756, Frederick akaedza kudzivisa mari yeBritain yeuto reRussia pamuganhu wePrussia nekutaurirana mubatanidzwa neEngland paChibvumirano cheWestminster, umo Prussia yaizodzivirira Hanover pakurwiswa neFrance uye England yaisazopazve rubatsiro kuRussia. Chibvumirano ichi chakatungamirira kuDiplomatic Revolution umo Habsburg Austria neBourbon France, avo vakanga vari vavengi vekare, vakabatana pamwe chete neRussia kuti vakunde mubatanidzwa weAnglo-Prussian. Kuti asimbise nzvimbo yake yokurwisa mubatanidzwa uyu, pana 29 August 1756, uto rakagadzirira zvakanaka raFrederick rakapinda muSaxony. Kupinda kwake kwakakonzera Hondo yeChitatu yeSilesian uye Hondo yeMakore Manomwe, zvose zvakapfuurira kusvikira muna 1763. Frederick akakurumidza kutora Dresden, akakomberedza uto reSaxon rakanga rakabatwa muPirna, uye akaramba achifamba nevakasara veuto rake vakananga kuchamhembe kweBohemia, vaine chinangwa chekupedza mwaka wechando ikoko. Muhondo yeLobositz Frederick akahwina hondo yeAustria iyo yaida kubvisa Pirna, asi pashure pacho akadzorera mauto ake kuSaxony nokuda kwechando. Apo mauto eSaxon muPirna pakupedzisira akakurira muna October 1756, Frederick akavapinza nechisimba muuto rake amene. Chiito ichi, pamwe chete nekupinda kwake kwekutanga muSaxony isina kwayakarerekera kwakaunza Frederick kushoropodzwa kwakapararira pasi rose; asi kukunda kweSaxony kwakapawo Frederick mari yakakosha, yechiuto, uye yezvombo zvemauto zvakamubatsira kuti arambe ari muhondo. 