Roger Federer's 2nd Grand slam title win was at Australian Open, 2004 on 1st February-2004, where he defeated Marat Safin in straight sets. That win ensured that Roger Federer achieved the feat of becoming World No. 1 on 2nd February, 2004.

Here's how the rankings of Top-10 looked immediately after Australian Open, 2004.
For the next 237 weeks, Roger Federer remained World No. 1 & it was only after Rafael Nadal won the 2008 Beijing Olympics Gold Medal on 17th August, 2008, that Roger Federer's streak of 237 weeks at World No. 1 ended that Sunday night.
Post that Roger Federer has regained No. 1 ranking twice. He re-gained ATP #1 ranking on 6th July, 2006 immediately after he won Wimbledon 2009 title after defeating Andy Roddick in that epic 5 setter marathon. That stretch of No. 1 ranking lasted for 48 weeks & ended after French Open, 2010.
Very recently, Roger Federer after winning Wimbledon, 2012 regained #1 ranking for the 2nd time and that streak continued for another 17 weeks to take his overall tally of weeks at No.1 at 302.
Thou, at this point of time, its hard to say if Roger Federer will be able to re-gain #1 ranking again.
But, one thing is 100% sure, the hunger, the dedication, the devotion that Roger Federer has today (after having spent 302 weeks at ATP #1) is same, if not more than when Roger Federer reached the ATP #1 ranking on 2nd February, 2004.
A file picture on how Roger Federer looked when he reached the No. 1 ranking for the first time and how he looks now.
Just to give you a fair idea of Roger Federer's dominance, during the last 468 weeks, this is the break-up of Roger Federer's ATP rankings :
1. Roger Federer got the Ranking of #1 for 302 weeks or 64.52% of the 9 year tenure between 2nd Feb-2004 to 2nd Feb- 2013.
2. Roger Federer has been Ranked #2 for 106 weeks or almost 23% of time between 2nd Feb-2004 to 2nd Feb-2013.
3. Roger Federer has been Ranked #3 for 55 weeks or almost 12% of time between 2nd Feb-2004 to 2nd Feb-2013.
4. Roger Federer has been Ranked #4 for 5 weeks or almost 0.01% of time between 2nd Feb-2004 to 2nd Feb-2013.
Here's hoping more success and laurels to the Swiss maestro.























