People
All People
Presidents
Military Leaders
Founding Fathers
Scientists & Inventors
Civil Rights Leaders
Explorers
Artists & Writers
Business Leaders
Outlaws & Lawmen
Statesmen & Politicians
Supreme Court Justices
Indigenous Leaders
First Ladies
Athletes
Musicians
Places
All Places
States
Cities
Battlefields
Landmarks & Buildings
National Parks
Territories
Indigenous Lands
Natural Features & Geography
Infrastructure & Transportation
Colonial Settlements
Eras
Events
All Events
Wars & Conflicts
Treaties & Agreements
Disasters
Milestones & Firsts
Assassinations
Elections
Protests & Movements
Discoveries & Inventions
Crises & Standoffs
Scandals & Constitutional Crises
Financial Crises & Panics
Documents
All Documents
Founding Documents
Laws & Acts
Supreme Court Decisions
Speeches
Concepts
All Concepts
Political Movements
Economic Systems
Social Issues
Foreign Policy Doctrines
Religion & Society
Organizations
All Organizations
Government Agencies
International Organizations
Military
Business & Labor
Advocacy & Social Organizations
Culture & Knowledge
Media & Publishing
Symbols
Technology
Guides
On This Day
America250
— 250 years since 1776. Explore two and a half centuries of American history.
Start the tour
Home
/
Organizations
/
International Organizations
International Organizations
The alliances and multinational bodies the United States built, funds, or leads.
NATO
The 1949 alliance that bound America to Europe's defense and deterred the Soviet Union for forty years
SEATO
The Cold War alliance built to contain communism in Asia, 1954–1977
The League of Nations
The world body Woodrow Wilson built — and the U.S. Senate refused to join, 1920
The Organization of American States
The Western Hemisphere body that carried old doctrines into the Cold War, 1948
The Warsaw Pact
The Soviet military alliance that answered NATO, 1955–1991
The World Bank and IMF
The Bretton Woods twins America built to run the global economy, 1944
The World Health Organization
The UN's global health agency — and America's fraught partner in it, 1948
The World Trade Organization
The referee of global trade, from GATT in 1947 to the WTO in 1995
United Nations
The international body America founded in 1945 — and has funded, led, and defied ever since