land ▁of ▁its ▁current ▁P ore č ▁home . ▁The ▁event ▁was ▁promoted ▁to ▁the ▁Y ug oslav ian ▁championship ▁in ▁ 1 9 7 7 ▁and ▁acquired ▁a ▁finish ▁in ▁the ▁regional ▁city ▁of ▁Zag reb . ▁The ▁ 1 9 8 6 ▁event ▁was ▁an ▁inv it ational ▁only ▁event ▁held ▁as ▁a ▁candidate ▁event ▁for ▁the ▁European ▁R ally ▁Championship . ▁Under ▁the ▁co - efficient ▁system ▁the ▁r ally ▁varied ▁in ▁importance ▁within ▁the ▁European ▁championship ▁dr ifting ▁through ▁co - efficient s ▁ 2 , ▁ 5 ▁and ▁ 1 0 ▁in ▁the ▁ 1 9 9 0 s . ▁With ▁the ▁r ally ▁based ▁in ▁the ▁north ▁western ▁part ▁of ▁Cro atia ▁it ▁was ▁able ▁to ▁continue ▁during ▁the ▁years ▁of ▁the ▁Cro at ian ▁War ▁of ▁Independ ence . ▁ ▁In ▁ 2 0 0 4 ▁the ▁r ally ▁was ▁dem oted ▁to ▁the ▁European ▁R ally ▁Cup ▁East ▁as ▁the ▁co - efficient ▁system ▁fragment ed ▁into ▁minor ▁champion ships ▁titled ▁" C ups " ▁before ▁returning ▁to ▁the ▁European ▁championship ▁in ▁ 2 0 0 7 . ▁ 2 0 1 1 ▁saw ▁the ▁r ally ▁return ▁to ▁its ▁original ▁R ije ka ▁region ▁before ▁moving ▁to ▁its ▁current ▁location ▁in ▁ 2 0 1 3 ▁as ▁the ▁event ▁celebrated ▁its ▁ 4 0 th ▁anni versary , ▁while ▁successfully ▁maintain ing ▁its ▁position ▁on ▁the ▁calendar ▁of ▁the ▁ER C ▁after ▁the ▁mer ger ▁of ▁the ▁ER C ▁and ▁the ▁Inter cont inental