Crossword clues for Period of decline:EVENINGSPeriods of declineEBBTIDEPeriod of declineEBBTIDESPeriods of declineEBBSPeriods of declineTWILIGHTPeriod of decline (1998)EBBPeriod of declineSUNSETPeriod of decline?LOWTIDEPeriod of declineSUNSETSPeriods of declineWANEPeriod of gradual declineDARKAGEPeriod of civilizational decline