July 20, 1978: Apple DOS makes its debut on the Apple II, giving Apple its first official operating system.
A command line interface with green text prompts on a black background, Apple DOS looks incredibly primitive next to today’s graphical user interfaces. Nonetheless, for Apple users, this was the macOS Sierra of its day.
July 19, 2000: Apple launches its futuristic-looking Power Mac G4 Cube. The clear computer is one of the company’s most jaw-droppingly gorgeous machines, but ultimately becomes one of its biggest disappointments.