There are four countries Pakistan, India , Shri Lanka and Bangladesh.Three have won the cup, except Bangladesh.
In the 1930 world cup there were 13 teams.
Actually no teams as there was no world cup in 1966.
Australia and Pakistan
Two teams in 1983 world cup are India and West Indies.India won the final.
England beat Germany 4-2 aet in the World Cup final in 1966.
India and Sri Lanka.
West Indies and England.
Aus and SL
England vs West Indies