ANCIENT EGYPT
'(<a href="http://www.j-archive.com/media/2011-04-11_DJ_27.wmv">Jimmy of the Clue Crew shows a map of Egypt on the monitor.</a>)  Egypt originally hugged the Nile River, but over the next 1,200 years, it gradually grew to cover an area reaching as far north as this river by the 1400s B.C.'
the Euphrates