John Tyler was the tenth President of the United States, serving from 1841 to 1845. He succeeded William Henry Harrison after his untimely death, and was the first Vice President to take on the presidency due to the death of a sitting president. Tyler was also known as "His Accidency" due to some controversy over his succession to the presidency and his loyalty to the Whig party. Other synonyms for John Tyler may include "Tenth President", "Tyler the Accidental", or simply "President Tyler". Regardless of the name used, John Tyler remains a significant figure in American history and politics.