Final answer:
Thomas Jefferson served as the president for two terms from 1801-1809.
Step-by-step explanation:
Thomas Jefferson served as the president of the United States for two terms. He was first elected in 1800 and served from 1801-1809. After leaving office, he retired to his estate, Monticello, but remained active in politics and played a key role in shaping American democracy.
Learn more about Thomas Jefferson's presidency