Identify 40 examples of underdog success in European football

I am looking for 40 stories of underdog sporting success in European Football. I have included 10 examples below, the 40 must be in addition to these.

Each example must represent a 'Cinderally Story' (see wikipedia article here: https://en.wikipedia.org/wiki/Cinderella_(sports)) - whereby a competitor achieves far greater success than would reasonably have been best expected.

For each story I need:
1. Team name
2. Country
3. What was their achievement
4. Year of achievement

The 40 must include examples from at least each of the countries listed below:
1. France
2. Germany
3. Spain
4. England
5. Scotland
6. Ireland
7. Italy
8. Portugal
9. Croatia
10. Greece

My 10 examples:
1. Calais RU; France; Reached French Cup Final; 2000
2. Leicester City; England; Won English Premiere League; 2016
3. FC Porto ; Portugal; Won Champions League; 2004
4. Greece National Team; Greece; Won European Championship; 2004
5. Denmark National Team; Denmark; Won European Championship; 1994
6. Manchester United; England; Won European Cup; 1968
7. Villareal; Spain; Won Europa League; 2021
8. Havant & Waterlooville; England; Reached fourth round of FA Cup; 2008
9. Nottingham Forest; England; Won European Cup; 1979
10. Montpellier; France; Won Ligue 1; 2012