Treaty

A treaty is a written agreement between two or more parties, which may be countries or other important groups, about any subject. Treaties usually settle or avoid disputes.

Countries may agree to end a war or to declare war on a common enemy by promising  to come to the aid of another country if it is attacked. They may allow allow each other's citizens or merchandise to cross borders freely, such as the European Union, which is the result of treaties between most countries in Europe.

In general, treaties are usually used to settle disputes, or to avoid disputes.

 Famous treaties 
 1494 - Treaty of Tordesillas
 1783 - Treaty of Paris
 1814 - Congress of Vienna
 1840 - Treaty of Waitangi
 1919 - Treaty of Versailles
 1928 - Kellogg-Briand Pact
 1935 - Roerich Pact
 1938 - Munich Agreement
 1944 - Bretton Woods Agreement
 1945 - United Nations Charter (not strictly a treaty)
 1947 - General Agreement on Tariffs and Trade
 1949 - North Atlantic Treaty
 1955 - Warsaw Pact
 1957 - Treaty of Rome
 1968 - Nuclear Non-Proliferation Treaty
 1992 - Treaty of Maastricht
 1993 - United Nations Framework Convention on Climate Change
 1998 - Good Friday Agreement

Related pages
 Peace treaty
 Ratification
 Vienna Convention on the Law of Treaties