1966 FIFA World Cup - Wikipedia
https://en.wikipedia.org/wiki/1966_FIFA_World_CupThe format of the 1966 competition remained the same as 1962: 16 qualified teams were divided into four groups of four. Each group played a round-robin format. Two points were awarded for a win and one point for a draw, with goal average used to separate teams equal on points. The top two teams in each group advanced to the knockout stage. In the knockout games, if the teams were tied after 90 minutes, 30 minutes of extra time were pl…