democratic_party_(united_states) | headquarter | south_capitol_street <sep> the democratic party is one of two major contemporary political parties in the united states founded in 1828, it was predominantly built by martin van buren, who assembled politicians in every state behind war hero andrew jackson, making it the world's oldest active political party the party is a big tent of competing and often opposing viewpoints, but modern american liberalism, a variant of social liberalism, is the party's majority ideology the party also has notable centrist and social democratic factions its main political rival has been the republican party since the 1850s 
the democratic party of the u.s. headquarters on south capitol street.no information