Via NPR

Time flies when you’re in the Oval Office.

1. Jimmy Carter

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You’ll undoubtedly remember Jimmy Carter as the kind-eyed, plucky Democrat who took office in the late ’70s, but it may surprise you to know that this is what the president looks like now.

2. George H.W. Bush

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Here’s a look at an energized, determined Bush Sr. from the beginning of his term. Scroll over to see the president today.

3. Bill Clinton

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The pride of Arkansas, here’s Bill Clinton shortly after taking the oath of office, followed by a current shot of the president of the United States.

4. George W. Bush

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See the change right before your eyes as we look at a youthful Dubya from the beginning of his presidency, and then we see the president as he looks today.

5. Calvin Coolidge

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Calvin Coolidge was the president in 1923. Now, the president is called Barack Obama. Where did the years go?!?