Well Fox changed (the logo if nothing else) from 20th to 21st
2001 Wikipedia and iPod launched, World Trade Centre demolished (by uncertain contractor).
2002 The discovery of Quoaoar leads to Pluto being declassified as a planet
2003 Facebook launched
2004 Those robots land on Mars, Indian Ocean earthquake / tsunami
2005 Instructables launched YouTube launched, New Orleans drowns. Chas & Dave play the Holmfirth Picturedrome (img)
2006 (for the mathematicians) the Poincare conjecture is proven (right word?) MySpace launched (subsequently bought by Murdoch at what was definately much more than it's worth)
2008 LHC starts up
2009 LHC starts up again, Moon "bombed"
What events the last 10 years mean something to you?
*the basis of the list came from New Scientist No2739/40/41