Treaty of Verdun divides the Carolingian Empire
Charlemagne's three grandsons divide the empire into three kingdoms, laying the groundwork for the later France and Germany.
Charlemagne's three grandsons divide the empire into three kingdoms, laying the groundwork for the later France and Germany.
The treaties of Westphalia end the Thirty Years' War and lay foundations for the modern concept of state sovereignty.
The United States buys the vast Louisiana territory from France, roughly doubling the size of the country.
The European powers meet in Vienna to reorder the continent after the Napoleonic Wars, redrawing the map of Europe and establishing a balance of power.
The Nguyễn court cedes three eastern provinces of Cochinchina to France.
The treaty places Tonkin and Annam under French protectorate.
European powers met in Berlin to set rules for colonial claims in Africa, accelerating the "Scramble for Africa" without any African representation.
The peace treaty ending the war between Germany and the Allies is signed in the Hall of Mirrors, imposing war guilt, territorial losses and heavy reparations on Germany.
Britain, France, Italy and Germany agree to Germany's annexation of Czechoslovakia's Sudetenland, the high point of the appeasement of Hitler.
Twelve North American and Western European countries sign the North Atlantic Treaty in Washington, creating the NATO collective defence alliance.
The Geneva Conference ends the First Indochina War, temporarily partitioning Vietnam at the 17th parallel pending elections planned for 1956.
Belgium, France, West Germany, Italy, Luxembourg and the Netherlands sign the treaty creating the European Economic Community, forerunner of the European Union.
The United States, North and South Vietnam and the Provisional Revolutionary Government sign an agreement ending direct US involvement in the war.
The Maastricht Treaty enters into force, formally establishing the European Union and laying the groundwork for a single currency.