▁the ▁Greg or ian ▁calendar , ▁not ▁in ▁the ▁Julian ▁calendar that ▁remained ▁in ▁use ▁in ▁England ▁until ▁ 1 7 5 2 . ▁| sp ouse = ▁| sp ouse - type = Cons ort s ▁| issue = T a ich ang ▁Emperor Z hu ▁Ch ang x un Z hu ▁Ch ang ha o Z hu ▁Ch ang run Z hu ▁Ch ang ying Pr in cess ▁R ong ch ang Pr in cess ▁Sh ou ning ▁}} ▁ ▁The ▁W an li ▁Emperor ▁( ; ▁ 4 ▁September ▁ 1 5 6 3 ▁– ▁ 1 8 ▁August ▁ 1 6 2 0 ), ▁personal ▁name ▁Z hu ▁Y ij un ▁( ), ▁was ▁the ▁ 1 4 th ▁Emperor ▁of ▁the ▁M ing ▁dynast y , ▁re igned ▁from ▁ 1 5 7 2 ▁to ▁ 1 6 2 0 . ▁" W an li ", ▁the ▁era ▁name ▁of ▁his ▁reign , ▁literally ▁means ▁" ten ▁thousand ▁cal end ars ". ▁He ▁was ▁the ▁third ▁son ▁of ▁the ▁Long q ing ▁Emperor . ▁His ▁reign ▁of ▁ 4 8 ▁years ▁( 1 5 7 2 – 1 6 2 0 ) ▁was ▁the ▁longest ▁among ▁all ▁the ▁M ing ▁dynast y ▁em per ors ▁and ▁it ▁witness ed ▁several ▁success es ▁in ▁his ▁early ▁and ▁middle ▁reign , ▁followed ▁by ▁the ▁decl ine ▁of ▁the ▁dynast y ▁as ▁the ▁Emperor ▁with d rew ▁from ▁his ▁active ▁role ▁in ▁government ▁around ▁ 1 6 0 0 . ▁