Crossword clues for Eras 7 letters:MANTLESItems from the gaslight era.USHERINWarmly welcome, as a new eraSTPETERNT era leaderSWANSONNewly popular actress of bygone era.IRONAGEEra in Europe: 1000 B.C.-A.D. 100GAVOTTELively French dance popular in the Baroque eraSIXTIESThe Help era, with "The"PERIWIGColonial era hairpieceQUONSETWWII-era prefab quartersCAVEMANTenant in the pre-rent control era.IRONAGEArcheological era.IRONAGEEarly eraLINDIESDances to W.W. II-era musicEPOCHALEra-definingPOLLTAXVoting deterrent in the Reconstruction-era SouthNUGGETS___: Original Artyfacts from the First Psychedelic Era, 1965-1968DOUBLETRenaissance-era garmentIRONAGEEra after BronzeSIXTIESGreat Society era, with "the"BOUDOIRVictorian-era sitting roomARTDECOProhibition-era designNEOGENEOf a Cenozoic era.IRONAGEEra in man's rise.MINTURNClipper ship tycoon of Civil War era.NEOCENEGeologic eraRHAETICOf an Alpine geologic eraFASHINSThey go in one era and out the otherAKIHITOEstablisher of Japan's Heisei eraMODERNEDepression Era architectural movementTRICORNColonial-era headgearIRONAGEEarly historical eraCOMRADECold War___era palSIXTIESHippie eraAKIHITOHeisei Era emperorDECADESEra stretchesLUNATESArtifacts from the Mesolithic Era so-named because of their crescent-shaped backsUSHERINHelp create, as an eraIRONAGEEra in which alphabetic writing became widespreadUSHERINHerald, as a new eraSOCKHOPRock 'n' roll era dancePOSTWARThe NATO eraBIGBANDSwing Era ensembleARTDECOGatsby-era styleUSHABTIPharaoh-era figurineUSHERINWelcome, as a new eraNEOGENEPeriod in Tertiary era.SAMPLERRelic of the colonial era.NEWDEALEra in American history.IRONAGEEra of the poet Hesiod.DOUBLEVW.W. II-era campaign that helped usher in the civil rights movement ... and a hint to four answers in this puzzle