Sargon the Great likely established the Akkadian Empire.
Sargon the Great is most well-known for establishing the Akkadian Empire. To find the answer, we can use a search engine and search for "empire established by Sargon the Great". The search results will likely provide information about which empire Sargon the Great is associated with. By selecting a reliable source or reading multiple sources, we can confirm that Sargon the Great is associated with the Akkadian Empire.