1981 - Xerox Star
1984 - Mac - System OS 1.0
1985 - Atari - TOS 1.0
1985 - Amiga - Workbench 1.0
Xerox invented it and I am a big 
Amiga fan here (had one) but let’s admit in terms of icons, fonts, proportions, spacing or generally speaking taste the original Apple design is still brilliant.
@santiago Time to drag this old video out again, to show to the young'uns.
