And the president has said that the value of this day is in what it says about how much the world has changed since 1945.

NPR: Bush Crisscrosses Former Soviet Union

April 18, 2011, is the 60th anniversary of a day that changed world history.

FORBES: Magazine Article

If we can imagine and think we can, one day we can say we changed the world.

WHITEHOUSE: Dream Big: Water

The world has fundamentally changed since that day.

FORBES: Marissa Mayer, Yahoo! and the Fourth Mobile Wave