Defense pact

{{Short description|Military alliance in which countries agree to come to each other's defense}}

{{Use American English|date=October 2020}}

{{Use dmy dates|date=October 2020}}

A defense pact (Commonwealth spelling: defence pact) is a type of treaty or military alliance in which the signatories promise to support each other militarily and to defend each other.Volker Krause, J. David Singer "Minor Powers, Alliances, And Armed Conflict: Some Preliminary Patterns", in "Small States and Alliances", 2001, pp 15–23, {{ISBN|978-3-7908-2492-6}} (Print) {{ISBN|978-3-662-13000-1}} (Online) [http://www.bundesheer.at/pdf_pool/publikationen/05_small_states_03.pdf] Generally, the signatories point out the threats and concretely prepare to respond to it together.Fulvio Attinà "State aggregation in defense pacts: systemic explanations", Jean Monnet Working Papers, University of Catania, nr. 56, November 2004, ISSN 2281-9029 [https://web.archive.org/web/*/http://www.fscpo.unict.it/EuroMed/jmwp56.pdf]

Current treaties

class="wikitable"

|+

! rowspan="2" |Year

! colspan="2" |Name

! colspan="2" |Member states

Treaty name

!Also known as

!Present members

!Former/suspended members

1373

|Anglo-Portuguese Treaty of 1373

|Anglo-Portuguese Alliance

|

  • {{flag|Portugal}}
  • {{flag|United Kingdom}}

|

1947

|Inter-American Treaty of Reciprocal Assistance

|

  • Rio Treaty
  • TIAR

|

  • {{Flag|Argentina}}
  • {{Flag|Brazil}}
  • {{Flag|Chile}}
  • {{Flag|Colombia}}
  • {{Flag|Costa Rica}}
  • {{Flag|Dominican Republic}}
  • {{Flag|El Salvador}}
  • {{Flag|Guatemala}}
  • {{Flag|Haiti}}
  • {{Flag|Honduras}}
  • {{Flag|Panama}}
  • {{Flag|Paraguay}}
  • {{Flag|Peru}}
  • {{Flag|United States}}
  • {{Flag|Uruguay}} (1948–2019, 2020–present)
  • {{Flag|Venezuela}} (1948–2015, 2019–present)
  • {{Flag|Trinidad & Tobago}} (1967–present)
  • {{Flag|The Bahamas}} (1982–present)

|

  • {{Flag|Cuba}} (1948–1962) (suspended)
  • {{Flag|Bolivia}} (1948–2014)
  • {{Flag|Ecuador}} (1948–2016)
  • {{Flag|Mexico}} (1948–2004)
  • {{Flag|Nicaragua}} (1948–2014)
1949

|North Atlantic Treaty

|

  • Washington Treaty
  • NATO
  • OTAN

|

  • {{Flag|Belgium}}
  • {{Flag|Canada}}
  • {{Flag|Denmark}}
  • {{Flag|France|Fourth Republic}}
  • {{Flag|Iceland}}
  • {{Flag|Italy}}
  • {{Flag|Luxembourg}}
  • {{Flag|Netherlands}}
  • {{Flag|Norway}}
  • {{Flag|Portugal}}
  • {{Flag|United Kingdom}}
  • {{Flag|United States}}
  • {{flag|Kingdom of Greece|name=Greece}}Joined as Kingdom of Greece. (joined 1952)
  • {{flag|Turkey}} (joined 1952)
  • {{flag|Germany}} (joined 1955)Joined as West Germany. After reunification in 1990, the former East German territory became covered by NATO protection.
  • {{flag|Spain|1981}} (joined 1982)
  • {{flag|Czechia}} (joined 1999)
  • {{flag|Hungary}} (joined 1999)
  • {{flag|Poland}} (joined 1999)
  • {{flag|Bulgaria}} (joined 2004)
  • {{flag|Estonia}} (joined 2004)
  • {{flag|Latvia}} (joined 2004)
  • {{flag|Lithuania}} (joined 2004)
  • {{flag|Romania}} (joined 2004)
  • {{flag|Slovakia}} (joined 2004)
  • {{flag|Slovenia}} (joined 2004)
  • {{flag|Albania}} (joined 2009)
  • {{flag|Croatia}} (joined 2009)
  • {{flag|Montenegro}} (joined 2017)
  • {{flag|North Macedonia}} (joined 2020)
  • {{flag|Finland}} (joined 2023)
  • {{flag|Sweden}} (joined 2024)

|

  • {{flag|British Cyprus}} (1949-1960)
  • {{flag|French Algeria}} (1949-1962)Joined as part of French Fourth Republic. After Algerian independence in 1962, the former French Algerian territory's NATO protection ceased as the Article VI clause was no longer applicable.
  • {{flag|Crown Colony of Malta}} (1949-1964)

|

1951

|Mutual Defense Treaty Between the United States and the Republic of the Philippines

|

|

  • {{Flag|Philippines}}
  • {{Flag|United States}}

|

1951

|ANZUS

|

|

  • {{Flag|Australia}}
  • {{Flag|New Zealand}}
  • {{Flag|United States}}

|

1953

|Mutual Defense Treaty between the United States and the Republic of Korea

|

|

  • {{Flag|South Korea}}
  • {{Flag|United States}}

|

1960

|Treaty of Mutual Cooperation and Security between the United States and Japan

|

|

  • {{Flag|Japan}}
  • {{Flag|United States}}

|

1961

|Sino-North Korean Treaty of Friendship, Co-operation, and Mutual Assistance

|

|

  • {{Flag|China}}
  • {{Flag|North Korea}}

|

1992

|Collective Security Treaty

|

  • CSTO

|

  • {{Flag|Armenia}}
  • {{Flag|Belarus}}
  • {{Flag|Kazakhstan}}
  • {{Flag|Kyrgyzstan}}
  • {{Flag|Russia}}
  • {{Flag|Tajikistan}}

|

  • {{Flag|Azerbaijan}} (1994–1999)
  • {{Flag|Georgia}} (1994–1999)
  • {{Flag|Uzbekistan}} (1994–1999, 2006–2012)
2019

|Treaty on Franco-German Cooperation and Integration

|

  • Aachen Treaty

|

  • {{Flag|France}}
  • {{Flag|Germany}}

|

2021

|Franco-Greek defence agreement{{cite news | url=https://greekreporter.com/2021/09/28/the-entire-france-greece-defense-and-security-agreement/ | title=The Entire France-Greece Defense and Security Agreement |publisher= Greek Reporter| date=28 September 2021 }}

|

|

  • {{Flag|France}}
  • {{Flag|Greece}}

|

2023

|Alliance of Sahel States

|

|

  • {{Flag|Burkina Faso}}
  • {{Flag|Mali}}
  • {{Flag|Niger}}

|

2024

|North Korean–Russian Treaty on Comprehensive Strategic Partnership

|

|

  • {{Flag|North Korea}}
  • {{Flag|Russia}}

|

{{Reflist|group=N}}

Historical treaties

class="wikitable"

!Year

!Treaty name

!Member States

1778–1798

|Treaty of Alliance

|

1873–1887

|League of the Three Emperors

|

1950–1979

|Sino-Soviet Treaty of Friendship, Alliance and Mutual Assistance

|

1954–1977

|Southeast Asia Treaty Organization

|

1955–1979

|Middle East Treaty Organization

|

1955–1980

|Sino-American Mutual Defense Treaty

|

1955–1991

|Warsaw Pact

|

See also

References