▁( now ▁T all inn ) ▁har bor ▁in ▁the ▁Est onian ▁province ▁of ▁Re val a . ▁According ▁to ▁the ▁legend , ▁the ▁national ▁flag ▁of ▁Den mark ▁Dan ne bro g ▁was ▁born ▁at ▁this ▁time , ▁falling ▁from ▁the ▁sky ▁during ▁a ▁critical ▁moment ▁in ▁the ▁fight ▁and ▁helping ▁the ▁Dan es ▁to ▁win ▁the ▁Battle ▁of ▁Lind an ise ▁against ▁the ▁Est oni ans . ▁The ▁date ▁of ▁the ▁battle , ▁June ▁ 1 5 , ▁is ▁still ▁celebrated ▁as ▁Val dem ars dag ▁( the ▁national ▁" flag ▁day ") ▁in ▁present - day ▁Den mark . ▁ ▁The ▁order ▁of ▁Liv onian ▁Brothers ▁of ▁the ▁S word ▁had ▁conquer ed ▁Southern ▁Est onia ▁whilst ▁Den mark ▁had ▁taken ▁the ▁North , ▁and ▁the ▁two ▁agreed ▁to ▁divide ▁Est onia ▁but ▁quar re led ▁over ▁the ▁exact ▁borders . ▁In ▁ 1 2 2 0 ▁the ▁King ▁of ▁Den mark ▁gave ▁up ▁his ▁claim ▁on ▁the ▁southern ▁Est onian ▁provinces ▁of ▁Sak ala ▁and ▁U ga un ia , ▁which ▁had ▁already ▁been ▁conquer ed ▁by ▁Brothers ▁of ▁the ▁S word . ▁Bishop ▁Albert ▁c eded ▁to ▁Den mark ▁the ▁Est onian ▁provinces ▁of ▁Har ria , ▁Vir onia ▁and ▁Jer w ia . ▁ ▁In ▁ 1 2 2 7 ▁the ▁Liv onian ▁Brothers ▁of ▁the ▁S word ▁conquer ed ▁all ▁Dan ish ▁territ ories ▁in ▁Northern ▁Est onia . ▁After ▁their ▁defeat ▁in ▁the ▁Battle ▁of ▁Sau le , ▁the ▁surv iving ▁members ▁of ▁the ▁order