Answer:
The modern Democratic Party emerged in the late 1820s from former factions of the Democratic-Republican Party, which had largely collapsed by 1824. It was built by Martin Van Buren, who assembled a cadre of politicians in every state behind war hero Andrew Jackson of Tennessee.
Founders: Andrew Jackson; Martin Van Buren
Founded: January 8, 1828
Headquarters: 430 South Capitol St. SE, Washington, D.C., 20003