Victory

The vast majority of the extras in the soccer stadium have hairstyles and wear clothes associated with the late 1970s and early 1980s (long hair, flares and wide-collared shirts etc.

When the German player (Baumann) takes the penalty kick, his hair is dry in a scene a few seconds prior to the kick, then it's wet with sweat when he places the ball and then it's dry again after he scores.

The microphone used by the radio announcer at the soccer match is an RCA model 77B, a model not introduced until the late-1940s.

Around the 61th min.

after Hatch escaped, when the German soldier comes to report the number of prisoners, he speaks in Hungarian, but not in German.

During the match an injured POW player is taken off by stretcher and another player puts on a shirt to replace him.

Substitutes were not introduced in this way until 1953; until that point, a "substitute" was a player who stood in for another who had failed to turn up for the game and players were not replaced once the match was underway.