Early U.S. History
Middle U.S. History
Modern U.S. History
100

The document adopted in 1776 declaring the colonies' independence from Britain

The Declaration of Independence

100

The war fought between the Northern and Southern states from 1861 to 1865

The Civil War

100

The long period of tension between the United States and the Soviet Union after WWII

The Cold War

200

The first governing plan of the United States that created a weak national government

The Articles of Confederation

200

The period of rebuilding the South after the Civil War

Reconstruction

200

The movement led by figures like Martin Luther King Jr. seeking equal rights for African Americans

Civil Rights Movement

300

The belief that Americans were destined to expand westward through North America

Manifest Destiny

300

The severe economic crisis that began in 1929

The Great Depression

300

The terrorist attacks on the United States on September 11th, 2001

9/11