Where Did Political Elephant, Donkey Come From?

It all started with an insult. During Andrew Jackson's 1828 presidential campaign, his political opponents labeled him a "jackass." Stubborn as he was, Jackson co-opted the insult and began putting a donkey on his election posters. For the rest of his career and even into his retirement, newspapers and cartoonists continued to represent Jackson either as a stubborn ass or struggling to control one.