
Found in the southern Spanish town of Orce in 1982 was quickly hailed as the oldest fossilized human remains ever found in Europe. Scientists had said the skull belonged to a 17 year old man who lived 900,000 to 1.6 million years ago, and even had very detail drawings done to represent what he would have looked like.
One year later officials admitted the skull fragment was not human but probably came from a 4 month old donkey.”
“Skull fragment may not be human”, Knoxville News-Sentinel, 1983
http://creationwiki.org/%22Orce_Man%22_was_a_donkey_skull_(Talk.Origins)