Munhoroondo yese, nyika yakaona hupfumi hwakawanda hukwira nekudonha (vaAzteki, maIncas ...), asi rukudzo rwekuva wekutanga runogona kungobatwa neuyo akasimudza vaSumeriya makore akapoteredza 3.500 XNUMX BC.
Budiriro yeSumerian yaive kumaodzanyemba kweyekare Mesopotamia, nzvimbo yekuMiddle East iri pakati penzizi dzeTigris neYufratesi izvozvi zvinoenderana nenzvimbo dzisiri renje dzeIraq nekuchamhembe kwakadziva kumabvazuva kweSyria.
VaSumerian, kune avo kugadzirwa kwegumbo uye kunyora (zviwanikwa zviviri zvakakosha zvevanhu), zvaive nemhosva yekuonekwa kweguta rekutanga-nyika. Kuma 3000 BC pakanga paine gumi nemaviri acho, aive akazvimiririra.
Vagari venzvimbo ino yemadhorobha-matunhu akaumba budiriro yeSumerian vakagovana tsika nechitendero chimwe chete, kunyangwe vatongi vavo vaine kuzvitonga kuzere, ndiko kuti, vaitonga madhorobha-avo pasina kupokana kubva kune vamwe vatungamiriri ve Sumerian.