Well.....
We all could post lists so long tha Server would croak.
Those were just a few, not the first things that came to mind. Alexandria was 'the first' of many.
As someone I held in high regard said some time ago while we were discussing the countless archeological mysteries around the world.
It might be more important to discover what we have forgotten than we already know.
How many times has the Human race 'discovered' electricity?
That the world is round?
That this insignificant mudball we call home is just a teensy-tiny speck in an infinite Universe?
Ah the questions I would ask..............