It's the 25th anniversary of Y2K, when panic about a millennium bug swept the nation. Photos show how we prepared.

Travelling nearly 10,000 miles by train, British photographer Katie Edwards crossed the United States capturing the ... had misheard but set about taking pictures anyway. "I quickly looked back ...

Even the president of the United States addressed America about the nation's readiness ... USA TODAY is looking back on some of the photos surrounding the historic events leading up to it.