| Term | Definition |
| Sargon | Akkadian Empire's first emperor |
| Hammurabi | Babylonian Empire's Emperor at its peak |
| Ashurbanipal | Assyrian Empire's Emperor at its peak |
| Nebuchadnezzar 2 | Neo-Babylonian Empire's emperor at height of power |
| Cyrus | Persian Empire's 1st Emperor |
| Darius | Persian Empire's 2nd great Emperor |
| Akkadian Empire | Sargon was emperor of? |
| Babylonian Empire | Hammurabi was emperor of? |
| Assyrian Empire | Ashurbanipal was emperor of? |
| Neo-Babylonian Empire | Nebuchadnezzar 2 was emperor of? |
| Persian Empire | Cyrus was the emperor of? |
| Persian Empire | Darius was the emperor of? |
| Akkadian Empire | This was the first empire in Mesopotamia |
| Babylonian Empire | This was the second empire in Mesopotamia |
| Assyrian Empire | This was the third empire in Mesopotamia |
| Neo-Babylonian Empire | This was the fourth empire in Mesopotamia |
| Persian Empire | This was the fifth empire to rule Mesopotamia |