We have lots of evidence that about 230,000 years ago, colonies of Neandertals began to settle on the continent of Europe.  They were alone there, from what we know, until about 30,000 years ago at which time our own ancestors began to colonize Europe as well.  It has been a pretty widely accepted theory that Homo Sapiens came in and outwitted the Neandertals and managed to wipe them out by ou…