Events
- Act of Union Is Passed by Parliament
- Act of Union Unites England and Scotland
- Activism
- Activists Oppose Deployment of the MX Missile
- Acupuncture Develops in China
- Adam Smith Publishes The Wealth of Nations
- Adams Lobbies Congress to Preserve Kings Canyon
- Adams-Onís Treaty
- Adams’ Nixon in China Premieres
- Adena
- Adena Mound Builders Live in North America
- Adobe
- Adoption
- Adoption of the Nicene Creed
- Advances Are Made in Chinese Agricultural Technology
- Advertisers Adopt a Truth in Advertising Code
- Aerosol Containers Are Introduced
- Afghan Peace Pact Fails to End Bloodshed
- Afghanistan Has Ancient Buddhist Monuments Destroyed
- AFL and CIO Merge
- The AFL and CIO Merge
- The AFL-CIO Expels the Teamsters Union
- African American Baptist Church Is Founded
- African American-American Indian relations
- African Americans Riot in Watts
- African Convention Expands the Definition of Refugees, An
- African Lake Emits Toxic Gas
- African National Congress (ANC) Wins South African Elections
- Africans Arrive in Virginia
- The Agency for International Development Is Established
- Agnes de Mille Choreographs Rodeo
- Agriculture
- Ahtna
- AIDS Scientists and Activists Meet in Amsterdam
- Ailey Founds His Dance Company
- The Air Commerce Act Creates a Federal Airways System
- Air Traffic Controllers Declare a Strike
- Aircraft Carriers
- Ais
- Akalaitis’ Green Card Confronts Audiences with Harsh Realities
- Akron Woman’s Rights Convention
- Alabama
- Alamo
- Alani Gain Power
- Alaska and Hawaii Gain Statehood
- The Alaska Highway Is Completed
- The Alaska Lands Act Is Passed
- Alaska Native Brotherhood and Alaska Native Sisterhood
- Alaskan Oil Discovery Sparks Controversy
- The Alaskan Oil Pipeline Opens
