Earlier quoted context omitted.
It look Wine almost 15 years to get to the 1.0 release.
Although to be fair to Wine they have had to build the entire stack - as far as I can see this only runs on Windows. Presumably emulating the Windows APIs on Windows is a lot easier than emulating them on a completely different underlying platform. Still - it's pretty cool.
DEC's fx!32 emulator was running Windows x86 code on Windows Alpha way back in 1996. And yes, fx!32 passed calls through to native Windows code, too.