Wikileaks Denial of Service attack - my guess is the US government flooded it... bombarded it with so many requests at such a speed that it crashed it.

Wikileaks is still reachable by IP address only: http://88.80.13.160/ and http://204.236.131.131/

http://88.80.13.160/

http://204.236.131.131/

Already the second link above seems to be down.