I’ve now made a list of everything I managed to find:
2025 upcoming European Events
Austria
The Austrian Card Show | Vienna | 2025-09-27 → https://www.instagram.com/the_austrian_cardshow/
Belgium
Card JunkieZ | Olen | 2025-05-10 → https://www.instagram.com/card__junkiez/
BelgiumTCG | La Louvière | 2025-06-28 & 2025-06-29 → https://www.belgiumtcg.be/
Croatia
Zagreb Card Show | Zagreb | 2025-04-05 → https://www.zagrebcardshow.com/
Denmark
Nordic Card Show x Gamebox Festival | Herning | 2025-04-26 & 2025-04-27 → https://nordiccardshow.dk
Nordic Card Show x PokeKon 2025 | Roskilde | 2025-10-04 & 2025-10-05 → https://nordiccardshow.dk
Finland
Lempäälä Card Expo | Lempäälä | 2025-03-30 → Lempaala Card Expo (@lempaala_card_expo) • Instagram photos and videos
France
Gala TCG | Paris | 2025-04-26 & 2025-04-27 → https://www.galatcg.com/
Paris Card Show | Paris | 2025-05-17 → https://www.pariscardshow.com/
Germany
Berlin Cardshow | Berlin | 2025-03-15 → https://berlin-cardshow.de/
Cardvention | Kaiserslautern | 2025-05-03 → Cardvention 4 – Gold-Standard-Grading
Cardmadness | Düsseldorf | 2025-07-05 & 2025-07-06 → https://cardmadness.eu/
Tradingcard Convention Hamburg | Hamburg | 2025-09-13 & 2025-09-14 → http://tradingcard-convention-hamburg.com/
Capital Card Convention | Berlin | TBA → https://www.instagram.com/capitalcardconvention/
Greece
Card Fest | Athens | 2025-04-12 & 2025-04-13 → https://www.instagram.com/cardfest.gr
Ireland
The Emerald Card Show | Dublin | 2025-10-25 → https://www.emerald-card-show.com/
Italy
CollectIT | Milan | 2025-05-03 → https://www.collectitcardshow.it/
Netherlands
Xclusive Collectorscon | Eindhoven | 2025-03-22 & 2025-03-23 → https://collectorscon.nl/
Global Card Show | Nijkerk | 2025-06-07 & 2025-06-08 → https://globalcardshow.nl/
Collectors Garden | Utrecht | 2025-06-28 & 2025-06-29 → https://www.instagram.com/collectorsgarden.nl
Collect-a-Con | Egmond aan Zee | 2025-09-20 & 2025-09-21 → https://www.collectacon.nl/
Cardcon Utrecht | Utrecht | 2025-11-08 & 2025-11-09 → https://cardcon.eu/
Norway
Nordic Card Show x Oslo | Lørenskog | 2025-04-05 & 2025-04-06 → https://nordiccardshow.dk
Pokè Con | Kristiansand | 2025-06-07 & 2025-06-08 - > https://www.pokemania.no/event-details/pokecon-2025
Poland
Polish Card Show | Warsaw | TBA → https://www.instagram.com/polishcardshow/
Sweden
Card Expo Sweden | Stockholm | 2025-04-26 & 2025-04-27 → http://cardexposweden.com/
SweCard | Huskvarna | 2025-05-17 & 2025-05-18 → https://www.instagram.com/swecard/
Nordic Card Show x Malmø Game Week | Malmø | 2025-08-30 & 2025-08-31 → https://nordiccardshow.dk
SweCard | Svedala | 2025-10-11 & 2025-10-12 → https://www.instagram.com/swecard/
Switzerland
CardshowSwiss | TBA | TBA → https://www.instagram.com/cardshowswiss
Spain
Valencia Card Show | Valencia | 2025-04-05 & 2025-04-06 → https://www.instagram.com/valenciacardshow/
Iberian Card Show | Barcelona | 2025-06-07 & 2025-06-08 → https://www.iberiancardshow.com/
Turkey
Istanbul Card Show | Istanbul | TBA → https://istanbulcardshow.com/
UK
The Wolverhampton Card Show | Wolverhampton | 2025-03-08 → https://www.instagram.com/thepokejarl
Worcester Card Show | Worcester | 2025-03-15 → https://www.instagram.com/worcestercardshow
South Coast Card Show | Plymouth | 2025-03-16 → https://www.instagram.com/southcoastcardshowuk
THAT! Collector Show | Southhampton | 2025-03-16 → https://thatcollectorshow.com/
North West Card Show | Liverpool | 2025-03-22 → https://www.nwcsevents.co.uk
Oxford Card Show | Oxford | 2025-03-29 & 2025-03-30 → https://www.instagram.com/oxford_cardshow
Card Con | Farnborough | 2025-03-29 & 2025-03-30 → https://www.instagram.com/cardconofficial
Cambridge Card Show | Cambridge | 2025-04-05 → https://www.instagram.com/cambridgecardshow/
The Lancashire Card Show | Blackpool | 2025-04-05 → https://www.instagram.com/thelancashirecardshow/
Derby Card Show | Derby | 2025-04-12 → https://www.instagram.com/derbycardshow/
Cards & Collectables Convention | Essex | 2025-04-13 → https://www.instagram.com/cardsandcollectablesconvention/
Easton Card Show | Easton | 2025-04-19 → https://www.ryftcardbattle.com/event-list
The Hertfordshire Card Show | Hertfordshire | 2025-04-19 → https://www.instagram.com/hertfordshirecardshow
The Midlands Card Show | Walsall | 2025-04-19 → https://www.instagram.com/themidlandscardshow/
Cheltenham Card Show | Cheltenham | 2025-04-20 → https://www.instagram.com/cheltenhamcardshow_tte/
Reading Card Show | Reading | 2025-04-26 → https://www.instagram.com/reading_card_show
THAT! Collector Show | Kidsgrove | 2025-04-26 → https://thatcollectorshow.com/
Swindon Card Show | Swindon | 2025-05-03 → https://www.instagram.com/swindoncardshow_tte_uk/
Anime Con x THAT! Collector Show | Sheffield | 2025-05-04 → https://thatcollectorshow.com/
London Card Show | London | 2025-05-09, 2025-05-10 & 2025-05-11 → https://londoncardshow.co.uk/
The Birmingham Card Show | Birmingham | 2025-05-31 → https://www.instagram.com/thebirminghamcardshow/
Aberdeen Card Show | Aberdeen | 2025-06-07 → https://www.instagram.com/totalentertainmentscotland
Liverpool Card Show | Liverpool | 2025-06-07 → Instagram
The PG Trading Card Show | Bournemouth | 2025-06-08 → Instagram
Newcastle Card Show | Newcastle | 2025-06-14 & 2025-06-15 → https://www.instagram.com/newcastlecardshow/
THAT! Collector Show | Nottingham | 2025-06-22 → https://thatcollectorshow.com/
Scotland Card Show | Glasgow | 2025-06-28 & 2025-06-29 → https://scotlandcardshow.co.uk/
Essex Card Show | Essex | 2025-07-06 → https://essexcardshow.co.uk/
Oxford Card Show | Oxford | 2025-07-26 & 2025-07-27 → https://www.instagram.com/oxford_cardshow
THAT! Collector Show | Mansfield | 2025-07-27 → https://thatcollectorshow.com/
London Card Show | London | 2025-08-15, 2025-08-16 & 2025-08-17 → https://londoncardshow.co.uk/
THAT! Collector Show | Poole | TBA → https://thatcollectorshow.com/
London Card Show | London | 2025-10-31, 2025-11-01 & 2025-11-02 → https://londoncardshow.co.uk/
Collectors Showcase | London | 2025-11-22 → https://collectors-showcase.com/