s ▁From ▁its ▁in ception ▁in ▁ 1 9 4 6 ▁through ▁ 1 9 5 5 , ▁the ▁Night ▁Before ▁the ▁ 5 0 0 ▁was ▁part ▁of ▁the ▁A AA ▁M idget s ▁championship . ▁ ▁US AC ▁M idget s ▁After ▁A AA ▁with d rew ▁from ▁racing , ▁the ▁Night ▁Before ▁the ▁ 5 0 0 ▁feature ▁event ▁became ▁part ▁of ▁the ▁US AC ▁M idget s ▁national ▁championship ▁series . ▁ ▁US AC ▁Silver ▁Crown ▁Series ▁( Car b ▁Night ▁Classic ) ▁Begin ning ▁in ▁ 2 0 1 5 , ▁the ▁head lin ing ▁event ▁switched ▁to ▁the ▁US AC ▁Silver ▁Crown . ▁The ▁race ▁moved ▁to ▁Friday ▁night s ▁starting ▁in ▁ 2 0 1 6 . ▁ ▁Notes ▁ 1 9 7 3 : ▁The ▁tw in ▁ 5 0 - lap ▁M idget ▁races ▁were ▁ra ined ▁out ▁on ▁Sunday ▁May ▁ 2 7 ▁and ▁initially ▁res ch eduled ▁for ▁June ▁ 1 7 . ▁However , ▁a ▁sched uling ▁conflict ▁saw ▁the ▁event ▁res ch eduled ▁a ▁second ▁time ▁until ▁July ▁ 4 ▁and ▁the ▁race ▁was ▁renamed ▁the ▁" Fire cra cker ▁F ift ies ." ▁On ▁July ▁ 4 , ▁the ▁event ▁was ▁cancel led ▁due ▁to ▁heavy ▁rain , ▁and ▁never ▁res ch eduled . ▁ 1 9 7 9 : ▁For ▁ 1 9 7 9 , ▁a ▁double header ▁of ▁two ▁separate ▁M idget ▁racing ▁events ▁were ▁scheduled ▁for ▁the ▁same ▁day ▁( S aturday ▁May ▁ 2