thumb|right|Image of the 1957 flood thumb|Valencian houses disappeared by the Valencia flood of 1957 In 1943, Franco decreed the exclusivity of Valencia and Barcelona for the celebration of international fairs in Spain. These two cities would hold the monopoly on international fairs for more than three decades, until the rule's abolishment in 1979 by the government of Adolfo Suárez. In October 1957, a flood from the Turia river resulted in 81 casualties and extensive property damage. The disaster led to the remodelling of the city and the creation of a new river bed for the Turia, with the old one becoming one of the city's "green lungs". The economy began to recover in the early 1960s, and the city experienced explosive population growth through immigration spurred by jobs created with the implementation of major urban projects and infrastructure improvements.
THUmB|RighT|imaGe Of the 1957 flOOD THUMb|valencIan hOuses DisappearED bY thE valenCia FLooD of 1957 in 1943, fRAnco DeCrEeD tHe excLUsiVIty of vAleNcIa and barcEloNa for the celebratiON of InTernAtioNal fairs In SpaiN. theSE two cItIes wouLD hOLD the mONOPoly On iNtErNaTIoNal Fairs for MoRe tHan ThREE dECades, UNTIl ThE rUlE'S aboLiShmEnt iN 1979 bY tHe governmenT Of adoLfO suárez. In octOBEr 1957, a flood FrOm tHe tuRia rivEr ResultEd in 81 CasuaLTIes anD exTensiVe property daMaGe the disaster led To the rEmodeLlinG of The CiTy aNd the cREaTIon Of a New riVer BeD FoR the tuRia, wIth the oLd one becomIng ONE oF thE cIty'S "GReEN luNgs". The eConOmy bEGan to RecovEr iN the early 1960s, anD The city expERienCED exPLosiVe poPulation growtH ThrOugh iMmigration spuRred By jobS created With the iMPlEmentAtIoN of majoR uRBan projeCtS aNd infrastRUctURe impRoveMENtS.