I never really thought about it until I received an email from Microsoft welcoming me to the MCP program - yep...while trying to upgrade my MCSD, I gained the MCAD. :-)
Looking over my transcript, I took my first test (VB 3) in June of 1995. I received my original MCSD in January 96. I upgraded my cert to VB4 in December 96. In November of 97, I upgraded my cert to VB5. I took both VB6 exams in 99.