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Start with the full category, then apply the exact boundary: The three-country enlargement of 1 January 1995. You only need one qualifying answer. A longer name is not automatically rarer.
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FinlandFinland is one of the 27 European Union member states in the September 2026 reference set.
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FinlandFinland is one of the 27 European Union member states in the September 2026 reference set.
58AustriaAustria is one of the 27 European Union member states in the September 2026 reference set.
45SwedenSweden is one of the 27 European Union member states in the September 2026 reference set.
37Why these answers qualify
Each entry belongs to the bounded set defined by the prompt. The named source supports the underlying facts; our editorial scoring is a separate layer.
Source: European Union · Member countries
Reference version: 2026-09-13. See our answer policy for how we handle aliases and omissions.