Lets see:
we have the sumerians (about 3000years B.C.) explaining in their tablets written in cuneiform symbols specific details about the solar system, and also the following:

https://blog.kareldonk.com/planet-x-nibiru-an-analysis-of-akkadian-seal-va243/

Lets not forget that even in Europe, Germany 1600 B.C., they had portable star maps, that specifically situated them IN A SPHERE depicted by the angles on the sides.

source: https://en.wikipedia.org/wiki/Nebra_sky_disk

We have also Eratostenes, greek (before the romans :), measured the Earth diameter as explained on:
https://stardate.org/astro-guide/faqs/how-was-size-earth-first-measured

and then we have photographs made from space, and videos from the international space-station as the following for example.

But ok, you may say everything is a forgery.

Just answer this: how is that satellites dont fall ?