Right, when did modern humans first appear?

Im trying to look this up and every flipping webpage I click on gives me different estimates! How old is humanity please?
Update: Not going to insult you timewasters, not even bothering. Being the bigger man here.
Update 2: There must be some 'posterboy' fossils or something? I dont want to spend hours surfing through anthropology websites because I am really lazy.
Update 3: No but these were like vastly different, I mean stupid, estimates
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