A peace treaty is an agreement between two or more hostile parties, usually countries or governments, which formally ends a state of war between the parties.
It is different from an armistice, which is an agreement to stop hostilities; a surrender, in which an army agrees to give up arms; or a ceasefire or truce, in which the parties may agree to temporarily or permanently stop fighting.
The art of negotiating a peace treaty in the modern era has been referred to by legal scholar Christine Bell as the lex pacificatoria, with a peace treaty potentially contributing to the legal framework governing the post conflict period, or jus post bellum.
What are the Elements of Treaties?
The content of a treaty usually depends on the nature of the conflict being concluded. In the case of large conflicts between numerous parties, there may be one international treaty covering all issues or separate treaties signed between each party.
There are many possible issues that may be included in a peace treaty such as the following:
- Formal designation of borders.
- Processes for resolving future disputes.
- Access to and apportioning of resources.
- Status of refugees.
- Status of prisoners of war.
- Settling of existing debts.
- Defining of as unjust behaviour.
- The re-application of existing treaties.
In modern history, certain intractable conflict situations may be brought to a ceasefire before they are dealt with via a peace process in which a number of discrete steps are taken on each side to reach the mutually-desired eventual goal of peace and the signing of a treaty.
A peace treaty also is often not used to end a civil war, especially in cases of a failed secession, as it implies mutual recognition of statehood. In cases such as the American Civil War, it usually ends when the losing side’s army surrenders and its government collapses. By contrast, a successful secession or declaration of independence is often formalised by means of a peace treaty.
Treaties are often ratified in territories deemed neutral in the previous conflict and delegates from the neutral countries acting as witnesses to the signatories.
Role of the United Nations
Since its founding after World War II the United Nations has sought to act as a forum for resolution in matters of international conflict. A number of international treaties and obligations are involved in which member states seek to limit and control behaviour during wartime. The action of declaring war is now very unlikely to be undertaken.
Peace Treaty under the United Nations
Since the end of World War II, United Nations Charter Article 2 restricts the use of military force. The UN Charter allows only two exceptions: “military measures by UN Security Council resolutions” and “exercise of self-defence” in countries subjected to armed attacks in relation to the use of force by states. Under the current UN system, war is triggered only by the enforcement of military measures under UN Security Council resolutions or the exercise of self-defence rights against illegal armed attacks.
Therefore, if the use of military force arises, it is called ‘international armed conflict’ instead of ‘war’. The fact that the current international law system avoids the use of the term ‘war’ also avoids the conclusion of a peace treaty based on the existence of war. A peace treaty was not signed after the end of the Iraq War in 2003, and only the UN Security Council Resolution 1483, adopted on 22 May 2003, stipulated the post-war regime for the stability and security of Iraq exclusively.
One of the UN’s roles in peace processes is to conduct post-conflict elections but, on the whole, they are thought to have no effect, or even a negative effect, on peace after civil war.
However, when peace agreements transform rebel groups into political parties, the effect on peace is positive, especially if international interveners use their moments of power distribution to hold the former combatants to the terms of their peace agreement.
Historic Peace Treaties
Probably the earliest recorded peace treaty, although it is rarely mentioned or remembered, was between the Hittite Empire and the Hayasa-Azzi confederation, around 1350 BC. More famously, one of the earliest recorded peace treaties was concluded between the Hittite and the Egyptian Empires after 1274 BC Battle of Kadesh (refer to Egyptian-Hittite peace treaty). The battle took place in what is modern-day Syria, the entire Levant being at that time contested between the two empires. After an extremely costly four-day battle, in which neither side gained a substantial advantage, both sides claimed victory. The lack of resolution led to further conflict between Egypt and the Hittites, with Ramesses II capturing the city of Kadesh and Amurru in his 8th year as king. However, the prospect of further protracted conflict between the two states eventually persuaded both their rulers, Hatusiliš III and Ramesses, to end their dispute and sign a peace treaty. Neither side could afford the possibility of a longer conflict since they were threatened by other enemies: Egypt was faced with the task of defending its long western border with Libya against the incursion of Libyan tribesmen by building a chain of fortresses stretching from Mersa Matruh to Rakotis, and the Hittites faced a more formidable threat in the form of the Assyrian Empire, which “had conquered Hanigalbat, the heartland of Mitanni, between the Tigris and the Euphrates” rivers, which had previously been a Hittite vassal state.
The peace treaty was recorded in two versions, one in Egyptian hieroglyphs, and the other in Akkadian using cuneiform script; both versions survive. Such dual-language recording is common to many subsequent treaties. The treaty differs from others, however, in that the two language versions are worded differently. Although the majority of the text is identical, the Hittite version claims that the Egyptians came suing for peace, and the Egyptian version claims the reverse. The treaty was given to the Egyptians in the form of a silver plaque, and the “pocket-book” version was taken back to Egypt and carved into the Temple of Karnak.
The Treaty was concluded between Ramesses II and Hatusiliš III in the twenty-first year of Ramesses’ reign (c. 1258 BC). Its eighteen articles call for peace between Egypt and Hatti and then proceed to maintain that their respective people also demand peace. It contains many elements found in more modern treaties, but it is more far-reaching than later treaties’ simple declaration of the end of hostilities. It also contains a mutual-assistance pact in the event that one of the empires should be attacked by a third party or in the event of internal strife. There are articles pertaining to the forced repatriation of refugees and provisions that they should not be harmed, which might be thought of as the first extradition treaty. There are also threats of retribution, should the treaty be broken.
The treaty is considered of such importance in the field of international relations that a replica of it hangs in the UN’s headquarters.
Following the five years war between Kushite Kandake, Amanirenas and Augustus of Rome, a peace treaty was conducted in the year 21/20 BC. Mediators were sent from Kush to Augustus who was in Samos at that time. An entente between the two parties was beneficial to both. The Kushites were a regional power in their own right and resented paying tribute. The Romans also sought a quiet southern border for their absolutely essential Egyptian grain supplies, without constant war commitments, and welcomed a friendly buffer state in a border region beset with raiding nomads. The Kushites too appear to have found nomads like the Blemmyes to be a problem. The conditions were ripe for a deal. During negotiations, Augustus granted the Kushite envoys all they asked for, and also cancelled the tribute earlier demanded by Rome. Premmis (Qasr Ibrim), and areas north of Qasr Ibrim in the southern portion of the “Thirty-Mile Strip” were ceded to the Kushites. The Dodekaschoinos was established as a buffer zone, and Roman forces were pulled back to the old Greek Ptolemaic border at Maharraqa. Roman emperor Augustus signed the treaty with the Kushites on Samos. The settlement bought Rome peace and quiet on its Egyptian frontier, as well as increased the prestige of Roman Emperor Augustus, demonstrating his skill and ability to broker peace without constant warfare, and do business with the distant Kushites, who a short time earlier had been fighting his troops. The respect accorded the emperor by the Kushite envoys as the treaty also created a favourable impression with other foreign ambassadors present on Samos, including envoys from India, and strengthened Augustus’ hand in upcoming negotiations with the powerful Parthians. The settlement ushered in a period of peace between the two empires for around three centuries. Inscriptions erected by Queen Amanirenas on an ancient temple at Hamadab, south of Meroe, record the war and the favourable outcome from the Kushite perspective. Along with his signature on the official treaty, Roman emperor Augustus marked the agreement by directing his administrators to collaborate with regional priests in the erection of a temple at Dendur, and inscriptions depict the emperor himself celebrating local deities.
Famous examples include the Treaty of Shackamaxon, also known as The Peace Treaty Signed after St. Tammany Welcomed William Penn with Peace & Friendship, Founding Pennsylvania. William Penn & St. Tammany agreed to live in peace as long as the waters run in the rivers and creeks and as long as the stars and moon endure. Treaty of Paris (1815), signed after Napoleon’s defeat at the Battle of Waterloo, and the Treaty of Versailles, formally ending the First World War between Germany and the Allies. Despite popular belief, the war did not end completely until the Allies concluded peace with the Ottoman Empire in 1919 at the Treaty of Sèvres.
The Treaty of Versailles is possibly the most notorious of peace treaties, and is blamed by many historians for the rise of National Socialism in Germany and the eventual outbreak of the Second World War in 1939. The costly reparations that Germany was forced to pay the victors, the fact that Germany had to accept sole responsibility for starting the war, and the harsh restrictions on German rearmament were all listed in the Treaty of Versailles and caused massive resentment in Germany. Whether or not the treaty can be blamed for starting another war, it exemplifies the difficulties involved in making peace. However, no such conflict resulted from the more punitive settlement with the Ottoman Empire.
Another famous example would be the series of peace treaties known as the Peace of Westphalia. It initiated modern diplomacy, involving the modern system of nation-states. Subsequent wars were no longer over religion but revolved around issues of state. That encouraged Catholic and Protestant powers to ally, leading to a number of major realignments.
The Korean War is an example of a conflict that was ended by an armistice, rather than a peace treaty with the Korean Armistice Agreement. However, that war has never technically ended, because a final peace treaty or settlement has never been achieved.
A more recent example of a peace treaty is the 1973 Paris Peace Accords that sought to end the Vietnam War.
Uppsala Conflict Data Programme
The Uppsala Conflict Data Programme (UCDP) is a dataset of all comprehensive agreements, partial agreements or peace process agreements between actors in armed conflict since 1975.
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