The oldest human remains discovered in Poland are over 100,000 years old. They are hand bones of a Neanderthal child digested by a large bird. The remains were found in Cave Ciemna (Małopolska).
It's contested - the problem for people who don't see archaic humans as part of the same species as us is that the more fossils we find, the less clear boundaries exist.
findings suggest that the Y chromosome of Neanderthals was replaced by an extinct lineage of the modern human Y chromosome, which introgressed into Neanderthals between 100,000 and 370,000 years ago.
It's contested - the problem for people who don't see archaic humans as part of the same species as us is that the more fossils we find, the less clear boundaries exist.