Didn't know about Bar Kochba...please tell me more or refer me to a responsible website about him because his name is new to me. Thank you.
Here are some websites on Bar Kochba
http://www.us-israel.org/jsource/Judaism/revolt1.html
http://www.us-israel.org/jsource/biography/Kokhba.html
http://www.livius.org/men-mh/messiah/messianic_claimants17.html
http://www.aish.com/literacy/jewishhistory/Crash_Course_in_Jewish_History_Part_37_-_The_Bar_Kochba_Revolt.asp
http://www.wzo.org.il/en/resources/view.asp?id=84
For a context of the time, see
http://www.livius.org/judaea.html http://www.electriciti.com/garstang/judaean/barkochba.htm