This is a list of more important international treaties signed by Finland from 1917 onwards.
- Treaty of Peace between Finland and Germany (1918)
- Treaty of Peace between Austria-Hungary and Finland (1918)
- Treaty of Tartu (1920) with Bolshevist Russia
- Arbitration on Åland (1921) by the League of Nations
- International treaties on Åland (1921)
- Soviet-Finnish non-aggression pact (1932)
- Moscow Peace Treaty (1940) with the Soviet Union - (obsolete)
- Anti-Comintern Pact (1941) with the Nazi Germany during World War II
- Ryti–Ribbentrop Agreement - (1944)
- Moscow armistice (1944) with the Soviet Union - (many provisions considered obsolete with the dissolution of the Soviet Union)
- Paris Peace Treaty (1947) with the Soviet Union and the United Kingdom - (many provisions considered obsolete)
- Agreement of Friendship, Cooperation, and Mutual Assistance (1948 YYA Treaty) with the Soviet Union - (considered obsolete)
- Nordic Council, become member (since 1955)
- United Nations, become member (since 1955)
- Porkkala Restitution, (1956)
- Helsinki Treaty with Nordic countries (1962)
- Helsinki Accords (1975) with Conference on Security and Co-operation in Europe
- European Free Trade Association (EFTA), became an associate member in 1961 and a full member in 1986
- Council of Europe, member state (since 1989)
- Paris Charter, (since 1990)
- Partnership for Peace (1994)
- Treaty of Accession to the European union (1994) and become member since 1995
- Nordic Battlegroup / EU Battlegroup, as a full member (since 2008)
- Ottawa Treaty (2012)
- Joint Expeditionary Force (JEF), become member (since 2014)
- North Atlantic Treaty, NATO applicant in 2022 and become member (since 2023)
- Agreement on Defense Cooperation between Finland and the United States of America, (DCA Treaty) (since 2023)
- ICE Pact, (since 2024)
See also
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