* 1842 – The Webster – Ashburton Treaty is signed, establishing the Canada – United States border east of the Rocky Mountains.

* 1818 – The United States Senate ratifies the Rush-Bagot Treaty, establishing the border with Canada.

* 1980 – The Montevideo Treaty, establishing the Latin American Integration Association, is signed.

* 1454 – The Treaty of Lodi is signed, establishing a balance of power among northern Italian city-states for almost 50 years.

A recent example is the Charter of Fundamental Rights of the European Union which was intended to be included in the Treaty establishing a Constitution for Europe, that failed to be ratified.

* 1925 – World War I aftermath: The final Locarno Treaty is signed in London, establishing post-war territorial settlements.

* 2009 – The Treaty of Lisbon, which amends the Treaty on European Union and the Treaty establishing the European Community, which together comprise the constitutional basis of European Union, comes into effect.

The main goals of the ID group were to reject the proposed Treaty establishing a constitution for Europe.

* 1840 – Signing of the Treaty of Waitangi, establishing New Zealand as a British colony.

In 1992 France ratified the Maastricht Treaty establishing the European Union.

* 1879 – Russia and the United Kingdom sign the Treaty of Gandamak establishing an Afghan state.

* 1948 – The Benelux, France, and the United Kingdom sign the Treaty of Brussels, a precursor to the North Atlantic Treaty establishing NATO.

* 1993 – The Maastricht Treaty takes effect, formally establishing the European Union.

* 2004 – In Rome, European heads of state sign the Treaty and Final Act establishing the first European Constitution which, however, failed to be ratified by all signatory countries and therefore never entered into force.

In 1992, with the European Communities becoming the European Union and with the Treaty of Maastricht establishing the framework for political parties at the European Level, the Confederation was able to mobilize a majority of delegates in favour of transforming the Confederation into the Party of European Socialists.

Nevertheless, in 911 the Viking leader Rollon forced Charles the Simple to sign the Treaty of Saint-Clair-sur-Epte, under which Charles gave Rouen and the area of present-day Upper Normandy to Rollon, establishing the Duchy of Normandy.

* November 1 – The Maastricht Treaty takes effect, formally establishing the European Union.

* April 18 – The Treaty of Paris ( 1951 ) is adopted, establishing the European Coal and Steel Community.

* April 26 – Treaty of Commerce and Navigation signed between Brazil and Denmark, establishing diplomatic relations between the two countries.

* 1141-The Treaty of Shaoxing ends the conflicts between the Jin Dynasty and Southern Song Dynasty, legally establishing the boundaries of the two countries and forcing the Song Dynasty to renounce all claims to its former territories north of the Huai River.

** Argentina, Brazil, Uruguay and Paraguay sign the Treaty of Asunción, establishing South Common Market ( Mercosur its acronym in Spanish )

** The Anglo-Irish Treaty establishing the Irish Free State, an independent nation incorporating 26 of Ireland's 32 counties, is signed in London.

* 1917 – An armistice is signed between Russia and the Central Powers at Brest-Litovsk and peace talks leading to the Treaty of Brest-Litovsk began.

The Federal Republic of Germany ( FRG ) is a Central European country and member of the European Union, G8, the G20, the Organisation for Economic Co-operation and Development and the North Atlantic Treaty Organization ( NATO ).

* 1699: Treaty of Karlowitz concludes the Austro-Ottoman War-marks end of Ottoman control of Central Europe and beginning of Ottoman stagnation and established Habsburg Monarchy as dominant power in Central and Southeastern Europe.

After the First World War, Ottoman territories ( a Central Powers member ) were partitioned into several nations under the terms of the Treaty of Sèvres.

At the conference, the five countries signed the General Treaty of Peace and Amity of 1907, which established the Central American Court of Justice to resolve future disputes among the five nations.

Both protests were upheld by the Central American Court of Justice in rulings that were not recognized by either Nicaragua or the U. S. Both nations repealed the Bryan-Chamorro Treaty on 14 July 1970.

Russia lost its Ukrainian, Polish, Baltic, and Finnish territories by signing the Treaty of Brest-Litovsk that concluded hostilities with the Central Powers in World War I.

The Treaty of Brest-Litovsk was a peace treaty signed on March 3, 1918, at Brest-Litovsk ( now Brest, Belarus ) between Russia ( the Russian Soviet Federated Socialist Republic ) and the Central Powers marking Russia's exit from World War I.

After the onset of the Cold War, Pakistan was a close ally of the United States, having an influential membership in Southeast Asia Treaty Organization ( SEATO ), Central Treaty Organization, and at same time was also an influential member of the Movement of Non-Aligned Countries ( NAM ).

He not only secured membership in Southeast Asia Treaty Organization ( SEATO ) but was also a proponent of agreements that developed the Central Treaty Organization ( CENTO ).

* August 19 – The Central Treaty Organization ( CENTO ) is established.

* Treaty of 6 May 1918, the treaty between Romania and the Central Powers

Its successor, Bolshevik Russia, made peace with the Central Powers under the Treaty of Brest-Litovsk, leaving Romania the only enemy of the Central Powers on the Eastern Front.

* January 20 – Russo-Polish War ( 1654 – 1667 ): Poland cedes Kiev, Smolensk, and eastern Ukraine to Russia in the Treaty of Andrusovo, which puts a final end to Poland's status as a Central European power.

In Europe, the European Central Bank follows a more orthodox form of monetarism, with tighter controls over inflation and spending targets as mandated by the Economic and Monetary Union of the European Union under the Maastricht Treaty to support the euro.

* Treaty of Semipalatinsk ( Central Asia ), signed 2006, entered into force 2008

* Treaty of Brest-Litovsk, a treaty between the Russian SFSR and the Central Powers, marking Russia's exit from World War I

** Treaty of Brest-Litovsk, a lesser known treaty between Ukraine and Central Powers

Central Treaty Organization ( or CENTO ) initiated by John Foster Dulles, members were Iran, Iraq, Pakistan, and Turkey, U. S. aid.

Based on this Treaty and on early claims by Spanish explorer Vasco Núñez de Balboa, discoverer of the Pacific Ocean in 1513, the Spanish conquered large territories in North, Central and South America.

France indeed only gained Nice and Savoy after the Treaty of Turin was signed in March 1860, after Cavour had been reinstalled as Prime Minister, and a deal with the French was struck for plebiscites to take place in the Central Italian Duchies.