100 Years of Famous DogsFrom the Wizard of Oz's Toto to the real Marley from Marley & Me, here's a look at some of our favorite history-making canines.

CHECKERS

In the campaign for vice president in 1952 Richard Nixon used the American cocker spaniel, Checkers, to defect criticism for taking gifts. The Nixon kids loved the dog dearly, so, "we're gonna keep it," he famously said.