Here is a history of the
Xbox and
PlaystationPlaystation:

The history of the
Playstation begins in 1988 when Sony and Nintendo were working together to develop the Super Disk. Sony and Nintendo went separate ways, ending up with Nintendo not using the new Super Disks. Sony took
advantage and used them in there new console, the
Playstation. The earlier
playstations could read Nintendo game cartridges. Sony then went on to make The
Playstaion X, which could only read CD-Rom.
In 1999, The PS2 was announced. When it was released, it came with 28 launch games, the most ever in a game console.
On Nov 19, 2006, the PS3 came out. 81,639 consoles were sold in 24 hours.
Xbox:

The
Xbox original was released in Nov. 15
th 2001. The
Xbox was known for top games like Halo. The
Xbox was Microsoft first venturing into game consoles. They worked with
Sega in porting Windows CE. The
Xbox 360 is
Microsoft's 2
nd consoles. May 12 2005 is when the
Xbox 360 was released. It is the first console to provide near
simultaneous launch across the 3 major regions. It is also the first to provide wireless support at launch. In the 2
nd quarter, they shipped 11.6 million worldwide.