For the iPhone 4 launch here were the first markets that were announced.
June 7, 2010 Keynote
Apple announced that the Apple iPhone 4 will be made available on June 24 in five countries which are the US, France, Germany, United Kingdom and Japan.
July 26, 2010
iPhone 4 will officially debut this Friday, July 30 2010 in Australia, Austria, Belgium, Canada, Denmark, Finland, Hong Kong, Ireland, Italy, Luxembourg, Netherlands, Norway, New Zealand, Singapore, Spain, Sweden and Switzerland. The phone will be purchasable through Apples retail and online stores, as well as Apple Authorized Resellers, the company said.
Dave