Conversation so far:
What did Nate Silver create ?
Nate Silver created FiveThirtyEight
What was in the Silver's diary on the Daily Kos ?
Nate Silver set out to analyze quantitative aspects of the political game to enlighten a broader audience.
What was the motivation for 538?
Nate Silver reports that I was just frustrated with the analysis. ... I saw a lot of discussion about strategy that was not all that sophisticated“
How did Nate Silver's diary further develop ?
Nate Silver's forecasts of the 2008 United States presidential primary elections drew a lot of attention, including being cited by The New York Times Op-Ed columnist William Kristol.
What did Nate Silver publish on the 538 ?
538 is a website that focuses on opinion poll analysis, politics, economics, and sports blogging.
Did Nate Silver publish anything else on the blog other than the Op-Ed piece ?
538 is a website that focuses on opinion poll (https://en.wikipedia.org/wiki/Opinion_poll) analysis, politics, economics, and sports blogging.

Question: When did he start the website fivethirtyeight.com?
Self-contained rewrite: When did Nate Silver start the website fivethirtyeight.com?