1. Anglo-Portuguese Alliance

    Alliance between the United Kingdom and Portugal, known for being the world's oldest alliance

    The Anglo-Portuguese Alliance is the oldest alliance that is still in force by political bilateral agreement. It was established by the Treaty of Windsor in 1386, between the Kingdom of England and the Kingdom of Portugal, though the countries were previously allied via the Anglo-Portuguese Treaty of 1373. Since the signing of the Treaty of Windsor, the Kingdom of Portugal and the Kingdom of England, and later the modern Portuguese Republic and United Kingdom, have never waged war against each other, nor have they participated in wars on opposite sides as independent states. While Portugal was subsumed under the Iberian Union, rebellious Portuguese factions and government in exile sought refuge and help in England. England spearheaded the Anglo-Spanish War on the side of the deposed Portuguese royal house. Wikipedia

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  2. en.wikipedia.org

    The Iberian Union (1580-1640), a 60-year dynastic union between Portugal and Spain, interrupted the alliance.The struggle of Elizabeth I of England against Philip II of Spain in the sixteenth century meant that Portugal and England were on opposite sides of the Anglo-Spanish War (1585-1604) and the Dutch-Portuguese War.Portuguese foreign policy became tied to Spanish hostility to England.
  3. portugal.com

    The alliance was further reinforced in 1643, 1654, 1660, 1661, 1703, 1815, and through a secret declaration in 1899. It was only officially recognized in the early 20th century in the Treaties of Arbitration. However, the initial treaty of 1373 was made temporarily suspended from 1580 to 1640 during the Iberian Union.
  4. unacademy.com

    Arbitration Treaties between the United Kingdom and Portugal in 1904 and 1914 accepted this fact. Between 1580 and 1640, the rulers of Spain and Portugal formed a dynastic union, which temporarily nullified the treaty. The world's oldest treaty resumed once Portugal regained independence, and it reached new heights during Napoleon's reign.
  5. historum.com

    The Anglo - Portuguese Alliance is not from 1373 to present.. between other things because between 1580 to 1640/1668, Portugal was in War vs England.. Or do you don´t know Portugal was attached to the Crown of Spain... in fact, the Portuguese - Anglo Alliance is from 1654 or better from 1661, Catalina de Braganza married Charles II Stuart.
  6. en.wikipedia.org

    The Anglo-Portuguese Treaty of 1373 was signed on 16 June 1373 [2] between King Edward III of England and King Ferdinand I and Queen Leonor of Portugal.It established a treaty of "perpetual friendships, unions [and] alliances" between the two seafaring states, and remains the longest-standing treaty still in effect today. [3] [4] [5]It was reinforced throughout history, including in 1386, 1643 ...
  7. However, between 1580 and 1640, Portugal was ruled by the (Habsburg) King of Spain, who dragged Portugal into war with England and the Dutch. During this war, England captured the Madre de Deus, a Portuguese carrack returning from the Far East. Besides maps of the Far East, its cargo contained wealth equal to half of the English royal treasury.
  8. en.wikipedia.org

    1580: 1778: 198 years Crusades: 1096: 1291: 194 years, 9 months and 3 days Cossack uprisings: 1591: 1775: 184 years Byzantine-Lombard wars: 568: 751: 183 years Russo-Persian Wars: 1651: 1828: 177 years Spanish conquest of Guatemala: 1524: 1697: 173 years Spanish conquest of Chiapas: 1523: 1695: 172 years Genoese-Mongol Wars: 1307: 1478: 171 ...
  9. The Anglo-Portugese Alliance is the oldest ongoing alliance in the world, dating back to the 1386, Treaty of Windsor. It's been invoked many times throughout history, usually in wars against France and most famously in the Napoleonic Peninsular War. Certainly the oldest military alliance, but not sure if there are others.
  10. The oldest alliance in the world is the Anglo-Portuguese alliance, dating back to 1386. England/ Great Britain have been allies with Portugal since then. But specifying military alliance, (even though Portugal and England did assist each other militarily) One could argue that that Inter-American treaty of Reciprocal Assistance is older, having ...
  11. diplomacybeyond.com

    Jun 23, 2023The world's longest-running bilateral relationship is marked by the exceptional diplomatic bond between the United Kingdom and Portugal. With a history spanning more than six centuries, this alliance serves as a reminder of the shared ideals and histories of the two countries as well as a tribute to the enduring power of diplomacy.

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