▁Bull ▁of ▁ 1 3 5 6 , ▁establish ing ▁various ▁constitution al ▁aspects ▁of ▁the ▁Empire , ▁the ▁most ▁significant ▁being ▁the ▁elect oral ▁college ▁to ▁elect ▁future ▁em per ors . ▁▁▁ 1 3 5 6 ▁– ▁The ▁Diet ▁of ▁the ▁Hans a ▁is ▁held ▁in ▁Lü beck , ▁form alis ing ▁what ▁up ▁until ▁then ▁had ▁only ▁been ▁a ▁loose ▁al liance ▁of ▁trad ing ▁cities ▁in ▁northern ▁Europe ▁and ▁officially ▁found ing ▁the ▁Han se atic ▁League . ▁▁ 1 3 5 7 ▁– ▁Scotland ▁retain s ▁its ▁independence ▁with ▁the ▁signing ▁of ▁the ▁Tre aty ▁of ▁Ber wick , ▁thus ▁ending ▁the ▁Wars ▁of ▁Scottish ▁Independ ence . ▁▁▁ 1 3 5 7 ▁– ▁In ▁the ▁Battle ▁of ▁B ub at , ▁the ▁Sund an ese ▁royal ▁family ▁is ▁mass ac red ▁by ▁the ▁Maj ap ah it ▁army ▁by ▁the ▁order ▁of ▁G aj ah ▁M ada ; ▁the ▁death ▁to ll ▁includes ▁Sund an ese ▁king ▁L ing ga ▁Bu ana ▁and ▁prin cess ▁Dy ah ▁P ital oka ▁Cit r ares mi , ▁who ▁committed ▁suic ide . ▁▁ 1 3 6 0 s ▁▁ 1 3 6 3 ▁– ▁The ▁Battle ▁of ▁Lake ▁Po y ang , ▁a ▁naval ▁conflict ▁between ▁Chinese ▁re bel ▁groups ▁led ▁by ▁Chen ▁You li ang ▁and ▁Z hu ▁Yu anz hang , ▁takes ▁place ▁from ▁August ▁to ▁October , ▁const itut ing ▁one ▁of ▁the ▁largest ▁naval ▁batt les ▁in ▁history . ▁▁ 1 3 6 5 ▁–