What are a few major archaeological discoveries in the past few decades that have caused drastic shifts in what we think we know about our history?

by fool_on_a_hill
totallynotliamneeson

More anthropology, but this just came out today. The craziest part was that some people in the field are speculating that since the bones found were all H.nadeli , and showed no signs of being dragged in by some predator, that they may be signs of burial of the dead, which is huge.