Well, it's finally here: Bill Gates' final, official day at Microsoft as a full-time employee.

To mark this historic moment--33 years in the making--we've been combing through our video archives to find some memorable stuff. We'll be adding more during the day, so check back here later. To start things off though, I've chosen two videos from the August 2001 event celebrating the 20th anniversary of the PC.

• The origin of PC clones
Gates and Compaq founder Rod Canion reflected on the events that created the modern PC business.





•  Control-alt-delete...gulp
At a 2001 event celebrating the PC's 20th anniversary, IBM engineer Dave Bradley talks about how the keystroke came to be, quipping that, though he invented it, Bill Gates made it famous. The best part of this video is the look on Gates' face after Bradley's comment.

Meanwhile, in Redmond, an event for Microsoft employees has just kicked off. Although I'm not there in person, I'm planning to have coverage of that as well.

View: Special Report: For Bill Gates, the next phase begins