[word=□]
[word=prehistory]
The timeline currently extends from prehistory to 1600 A.D. and in time will extend to the present day . Study unit 1 includes prehistory and specifically mentions hunter-gatherers and early farmers , and Celtic society in the Iron Age . ' This incredibly strong tribal structure that had existed in Irish prehistory could be broken down " and inhabitants used to work for the expanding empire , said McCafferty . One day , presumably , every year in prehistory will have a fact - 327 BC , post 1 in posthole F44 at Time Team Hollow ; 326 BC , plank B from pit F39 at Meet the Ancestors in the Wold , etc etc. Adding to the difficulties , the actual recovery of archaeological information is done in the rower 's or backstroke swimmer 's position , heading rapidly backwards and watching the starting flag recede . America : History and Life is the premier bibliographic citation tool for the history of North and South America from prehistory to the present .