first graphics card used in 

Saga computer system as the flight simulator 1940 by US military. That graphics card display only 256 colors.

In 1981 IBM introduced Monochrome Display Adapter

In 1983 Intel released iSBX 275 video graphics card which is a mildly revolutionary device that was capable of displaying eight unique colors resolutions at 256 by 256.

1988 a Canada based company introduced 16 bit, fully 2D VGA card

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 IBM and introduced in 1987. VGA provides 640 x 480 resolution color display screens with a refresh rate of 60 Hz and 16 colors displayed at a time

A Video Graphics Array connector is a three-row 15-pin DE-15 connector. The 15-pin VGA connector was provided on many video cards, computer monitors, laptop computers, projectors, and high definition television sets. Wikipedia
Pin 15: ID3/SCL
Pin 3: BLUE
Pin 1: RED
Pin 6: RED_RTN
Pin 2: GREEN
Pin 5: GND
Pin 4: ID2/RES
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In 1992 Silicon Graphics Inc (SGI) released OpenGL 1.0, agnostic application programming interface (API) for 2D and 3D

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The term "GPU" was coined by Sony in reference to the PlayStation console's Toshiba-designed Sony GPU in 1994
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In 1998 The Voodoo2 delivered Voodoo2 3sfx in the market. And that card supports high resolutions 1024 by 768


1999 GeForce arrived 256 (DDR version), Nvidia video card, being called a GPU

 Nvidia in 1999, who marketed the GeForce 256 as "the world's first GPU".[3] It was presented as a "single-chip processor with integrated transform, lighting, triangle setup/clipping, and rendering engines"

2004 GeForce introduce Nvidia GeForce 6 Series 6600 and 6800

2006 GeForce introduced GTX 8800 which was the best graphics card ever didn’t mess around in the world. Nvidia’s inner monster with 129 streaming processors, 575MHz core speed, 768MB of DDR3 memory

2009 AMD took over ATI and released Radeon HD 5970. The dual GPU card 

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