Travel through our timeline of major events in the history of the United States.
By 1400, hundreds of Native-American tribes live throughout North America.
Italian explorer Giovanni da Verrazano explores New York Harbor. In 1565, the Spanish establish Saint Augustine, Florida. The English establish Jamestown, Virginia, in 1607 and Plymouth Colony, in Massachusetts, in 1620.
The 13 colonies rebel against the British. The Declaration of Independence is signed in 1776, and the United States of America is formed.
The U.S. Constitution is written. In 1789, George Washington becomes the first President.
The North and South fight the Civil War over slavery and other issues. In 1863, the Emancipation Proclamation frees slaves in Confederate states.
The U.S. fights in World War I.
The Wall Street stock market crashes. Fortunes are lost, and the Great Depression begins.
Japan bombs the U.S. fleet at Pearl Harbor, in Hawaii. The U.S. enters World War II. The war lasts until 1945.
The U.S. enters the Korean War to defend South Korea. Fighting lasts for three years.
Martin Luther King Jr. delivers his "I Have a Dream" speech, leading the civil rights movement.
The U.S. begins air raids in Vietnam. The Vietnam War ends with peace accords in 1973.
Astronaut Neil Armstrong becomes the first person to walk on the moon.
The U.S. battles Iraq in the Persian Gulf War.
Terrorists hijack four planes for a string of deadly attacks against the U.S.
The U.S. and its allies go to war in Iraq. Fighting lasts until 2011.