Ramba uchiverenga ndima iyi - Muna 1829, makore mana pashure pokuziviswa kworusununguko, National Assembly yakasarudza kubvisa masvingo eSidad Vieja uye kuwedzera guta racho kuti rive "Ciudad Nueva". Panguva iyoyo, vagari veMontevideo vaiva vanenge 14 000. Zvirongwa zvedzimwe nharaunda dzomuguta dzinenge 160 zvakadhirowewa nenyanzvi yechiuto Don José María Reyes. Kuwedzerwa ikoko ndiko barrio chaiyo yeCentro. Zvirongwa zvacho zvaisanganisira nzvimbo itsva, iyo muna 1840 yakatora zita rokuti Plaza Cagancha, nepo mazita emigwagwa akapiwa naAndrés Lamas kubva muna 1843 zvichienda mberi. Kuvandudzwa kwenzvimbo iyi kwakanga kwakanyarara zvikuru nemhaka ye"Guerra Grande"
ra1839-1852. Muna 1867 mbiru ine chifananidzo cheRunyararo (La Paz) yakamiswa pakati pePlaza Cagancha.