History of iPhone
On January 9, 2007, Steve Jobs announced iPhone at the Macworld convention, receiving substantial media attention. Jobs announced that the first iPhone would be released later that year. On June 29, 2007, the first iPhone was released.
List of Apple Inc. media events
Apple announced the iPhone 5C and iPhone 5S during a media event called "This should brighten everyone's day." at its Cupertino headquarters on September 10, 2013. While the iPhone 5C became available for preorder on September 13, 2013, the iPhone 5S first became available on September 20, 2013. While most of the promotion focused on Touch ID, the 64-bit Apple A7 was also a highlight during the event: