party congress
party conference BrE
political convention AmE

At times, the meeting today had the feel of a political convention.

And a political convention has become, at heart, little more than a reality show.

She is noted as being the first woman on the floor of a political convention.

The city has not been the host of a national political convention in 50 years.

All told, the police say they arrested 1,821 people, the most at any political convention.

He also covered the first of many national political conventions in 1980.

The site was host to national political conventions in 1900, 1936, 1940 and 1948.

One television station here is losing interest in political conventions.

I don't think you learn very much by watching a political convention.

First vice president to be nominated by a major party at a political convention.