At 21 Italy and England will meet in the European Championship final in football at Wembley in London.
In addition to the match on the pitch, a match will be played on social media, with Englishmen boycotting Italian food and Italians who think the opponents should stop having pineapple on pizza.
To take the tempo of tonight's match, SVT called two Swedes originating from the countries.
Adamo: "The blood that counts"
Amelia Adamo, who was born in Rome, believes that England must not set hooks for Italy's triumph.
- I know England very well.
But in an international match, it's the blood that counts.
Henry: Hope England scores a lot of goals so Dad doesn't get hurt in the heart
Clara Henry, whose father is from Wycombe in England, will of course cheer on "fatherland".
- I hope it is exciting the first five minutes.
And since England scores a lot of goals, Dad doesn't have to have a heart attack, she says.
See what Amelia Adamo and Clara Henry think about each country, and how they think the match will end, in the clip above.