Conversation so far:
When did Gomulka become first secretary of the United Workers' Party?
on 20 October the Central Committee brought Gomulka and several associates into the Politburo, removed others, and elected Gomulka as first secretary.
Are there any other interesting aspects about this article?
Gomulka was one of the key leaders of the Warsaw Pact and supported Poland's participation in the intervention in Czechoslovakia in August 1968.

Question: What did Gomulka do as first secretary of the UWP?
Self-contained rewrite: What did Gomulka do as first secretary of the UWP?