when did eBay first make the fortune 500?

Answer 1

eBay made it's debut in the Fortune 500 in the April 17th, 2006 edition of Fortune Magazine at position 458, a jump of 71 places over 2005 when they were just outside the Fortune 500 at position 529 (see link below)

http://money.cnn.com/magazines/fortune/fortune500/companies/E.html

The following link provides proof that eBay was not on prior lists

http://money.cnn.com/magazines/fortune/fortune500_archive/letters/E.html