What DNA species lived on Earth before Reset Year 1800 and what World Events happened?

Was there human activity in the world during all the previous centuries? Or were there major reset events worldwide? What type of DNA did the previous humans before 1800 had, to be able to make the old world buildings we see in the photos? If you like my channel: ▸ Instagram: ▸ Patreon: (currently not posting new content) ▸ PayPal: ▸ Shop: ▸Facebook: ▸Twitter: