du in . ▁ ▁In ▁this ▁d une ▁lake ▁there ▁was ▁an ▁island ▁( not ▁the ▁current ▁island ▁in ▁the ▁Hof v ij ver ) ▁on ▁which ▁Wille m ▁II ▁built ▁his ▁palace ▁in ▁ 1 2 4 8 . ▁Other ▁sources ▁say ▁he ▁built ▁his ▁palace ▁alongside ▁the ▁p ond ▁and ▁created ▁a ▁mo at ▁around ▁it . ▁The ▁city ▁of ▁The ▁H ague ▁celebrated ▁its ▁ 7 0 0 ▁years ▁of ▁existence ▁in ▁ 1 9 4 8 , ▁suggesting ▁that ▁the ▁city ▁itself ▁bases ▁its ▁origin ▁on ▁the ▁building ▁of ▁the ▁palace ▁by ▁Wille m ▁II ▁in ▁ 1 2 4 8 . ▁ ▁Count ▁Albert ▁decided ▁on ▁the ▁rect angular ▁shape ▁in ▁the ▁ 1 4 th ▁century . ▁In ▁the ▁ 1 7 th ▁century ▁qu ays ▁were ▁constructed , ▁and ▁in ▁the ▁ 1 9 th ▁century ▁the ▁p ond ▁was ▁el ong ated . ▁Up ▁to ▁around ▁ 1 8 0 0 ▁the ▁B innen hof ▁was ▁still ▁enc irc led ▁by ▁a ▁mo at ▁and ▁was ▁only ▁accessible ▁by ▁brid ges . ▁ ▁The ▁island ▁in ▁the ▁V ij ver berg , ▁as ▁known ▁in ▁its ▁present ▁form , ▁was ▁only ▁created ▁around ▁ 3 0 0 ▁years ▁ago . ▁How ▁or ▁why ▁it ▁was ▁created ▁is ▁unknown . ▁In ▁the ▁centre ▁of ▁the ▁island ▁stands ▁a ▁flag pole ▁and ▁the ▁island ▁itself ▁counts ▁a ▁number ▁of ▁trees ▁and ▁small ▁plants . ▁It ▁is ▁not ▁open ▁to ▁the ▁public . ▁Al ong side ▁the ▁island