We remember Florida’s back-to-back titles, Villanova’s perfect game, N.C. State’s improbable feat, Michael Jordan’s championship-winning shot as a freshman, Bird-Magic and UCLA’s great run.

The Final Four is about making memories.

But what about the NCAA Tournament overall, specifically its beginning?

March Madness officially opens for business today. You’re bound to see some upsets and great performances.

Here’s a look at some moments that resonated and other things to watch in the NCAA Tournament’s first-round games.