The opening meetings for the two main Corvette Clubs are held over the same weekend in April/May, and involve a visit to the Dutch Corvette collection.
However, you may be referring Corvette Fame in Valkenburg, Holland? Second week of July. I organise the hotels and restaurants for the CCCUK group and there is normally an announcement in the April Vette News. Alas, not this year though. It is doubtful that the event is going ahead and therefore nothing is being organised for the Club unless we have a green light. It's easy to set up all the arrangements at short notice, so watch this space.
Sorry I can't be more specific.