▁that ▁direction ▁too ▁met ▁with ▁fail ures , ▁with ▁defe ats ▁at ▁B iał yst ok ▁on ▁ 1 6 ▁July ▁and ▁Or zech owo ▁on ▁ 1 3 ▁September ▁ 1 7 6 9 . ▁Early ▁ 1 7 7 0 ▁saw ▁the ▁defe ats ▁of ▁conf eder ates ▁in ▁Gre ater ▁Poland , ▁after ▁the ▁battle ▁of ▁Dob ra ▁( 2 0 ▁January ) ▁and ▁B ł onie ▁( 1 2 ▁February ), ▁which ▁forced ▁them ▁into ▁a ▁mostly ▁def ensive , ▁pass ive ▁st ance . ▁ ▁In ▁the ▁meant ime , ▁taking ▁advantage ▁of ▁the ▁confusion ▁in ▁Poland , ▁already ▁by ▁ 1 7 6 9 — 7 1 , ▁both ▁Austria ▁and ▁Pr uss ia ▁had ▁taken ▁over ▁some ▁border ▁territ ories ▁of ▁the ▁Commonwealth , ▁with ▁Austria ▁taking ▁S ze pes ▁County ▁in ▁ 1 7 6 9 - 1 7 7 0 ▁and ▁Pr uss ia ▁incorpor ating ▁Lau enburg ▁and ▁B üt ow . ▁On ▁ 1 9 ▁February ▁ 1 7 7 2 , ▁the ▁agreement ▁of ▁partition ▁was ▁signed ▁in ▁Vienna . ▁A ▁previous ▁agreement ▁between ▁Pr uss ia ▁and ▁Russia ▁had ▁been ▁made ▁in ▁Saint ▁Petersburg ▁on ▁ 6 ▁February ▁ 1 7 7 2 . ▁Early ▁in ▁August ▁Russian , ▁Pr uss ian ▁and ▁Aust rian ▁troops ▁simultaneously ▁entered ▁the ▁Commonwealth ▁and ▁occupied ▁the ▁provinces ▁agreed ▁upon ▁among ▁themselves . ▁On ▁ 5 ▁August , ▁the ▁three ▁parties ▁signed ▁the ▁treat y ▁on ▁their ▁respective ▁territorial ▁g ains ▁on ▁the ▁Commonwealth