party congress
party conference BrE
political convention AmE

But the same was said of the 13th party congress in 1987.

The first party congress has held on January 14, 1972.

It was to be finished for the party congress in 1945.

It remained small and did not hold its first national party congress until 1959.

"But I have to get this important extraordinary party congress behind me."

A decision on these reviews should be considered at the next party congress.

The decision to start these publications was taken at the first party congress.

After the first party congress, that number decreased to 30,000.

The party congress elected him president on 12 December 2004.

Ahead of the 1967 party congress a heated debate take place.