Jackson married Rachel Donelson Robards, she had a spouse when Jackson stepped in but eventually married Jackson. He was called a marriage scandal by his enemies and often attacked by his political opponents because of that. In May 30th, 1806, Jackson challenged Charles Dickinson to one of his 103 duels in defense of his wife's honor, Jackson killed Dickinson after he took a bullet in the chest.
After becoming a war hero at the Battle of New Orleans, Jackson soon transformed himself as a political figure and created the new Democratic Party. He lost the first election to John Quincy Adams, but won it back the following term.