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Finland joins NATO as 31st Ally

NATO · nato.int

Medium reliabilityVerifiedPublished Apr 2023

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Official NATO announcement confirming Finland joined on 4 April 2023, with President Niinisto attending and FM Haavisto depositing the accession instrument.

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Cited by 1 material across Factrail · last used Jun 2026.

Facts · 1

Finland joins NATO as its 31st memberJun 2026
- Official NATO announcement confirming Finland joined on 4 April 2023, with President Niinisto attending and FM Haavisto depositing the accession instrument.
  medium confidence