Pub Quiz thread

The first, and only, time a winning team has beaten a team they had previously lost to in the group phase of the World Cup ? The same happened between the Netherlands and the USSR at the Euros 1988.
 
This one is taking a lot longer than I thought it would.:(

The Charlton brothers in 1966 and the Walter brothers, Ottmar and Fritz, in 1954 are the only ones who have managed this - what is it they managed to do?