The Democratic National Convention (DNC) is a series of presidential nominating conventionspresidential nominating conventionsA United States presidential nominating convention is a political convention held every four years in the United States by most of the political parties who will be fielding nominees in the upcoming U.S. presidential election. This allows the nominees to be decided before the convention opens.https://en.wikipedia.org › wiki › United_States_presidential_nUnited States presidential nominating convention - Wikipedia held every four years since 1832 by the United States Democratic Party. They have been administered by the Democratic National Committee since the 1852 national convention.