Celebrate National Puppy Day with these photos of the presidents and some four-legged friends.
Donald Trump:

Donald Trump posing in 2010 with Sadie, the Scottish terrier who won best in show at the Westminster Kennel Club Dog Show. (AP Photos)
Barack Obama:

Barack Obama, Michelle Obama, and daughters Malia and Sasha Obama walk with their 6-month-old pup Bo.

George W. Bush:

George W. Bush and Laura Bush with their dogs Barney, left, and Miss Beazley.

Bill Clinton:

Bill Clinton is followed by Hillary Clinton and daughter Chelsea as he carries his new dog Buddy down the steps of Air Force One.

Bill Clinton snuggles with Rocky, a 10-week-old puppy, during his presidential campaign in 1992.
George H. W. Bush:

George H.W. Bush holds one of his dog Millie’s puppies.
Ronald Reagan:

Ronald Reagan and Nancy Reagan have a new guest for their first Christmas in the White House, their dog Lucky.

Jimmy Carter:

Jimmy Carter and Rosalynn Carter play with their dog Grits.
Gerald Ford:

Gerald Ford often sat with his dog Liberty in the Oval Office.

Betty Ford sits on the White House lawns with Liberty and her puppies.
Richard Nixon:

Richard Nixon showed off Tim, his new six-month-old Irish Setter.
Lyndon B. Johnson:

Lyndon Johnson and his family took advantage of the warm weather to play with their pet Beagles, Him and Her.
John F. Kennedy:

John F. Kennedy and his family with Pushinka’s puppies and family dogs Shannon, Clipper, Wolfie and Charlie.
Franklin Roosevelt:

Franklin Roesevelt with his pet scottie Fala.