This 1776 document, primarily authored by Thomas Jefferson, declared the colonies' independence from Britain.
The Declaration of Independence
He served as the 16th President of the United States during the entirety of the Civil War.
Abraham Lincoln
This President is the only one in U.S. history to serve more than two terms in office.
Franklin D. Roosevelt
The U.S. entered World War II immediately following the 1941 surprise attack on this naval base.
Pearl Harbor
Her refusal to give up her bus seat in Montgomery, Alabama, sparked a massive 1955 civil rights boycott.
Rosa Parks
Established in 1607, this was the first permanent English settlement in North America.
Jamestown
The first shots of the Civil War were fired at this coastal fortification in South Carolina.
Fort Sumter
He was the first U.S. President to be impeached (though he was not removed from office).
Andrew Johnson
This 1823 policy warned European powers that the U.S. would not tolerate further colonization in the Americas.
The Monroe Doctrine
Ratified in 1920, the 19th Amendment guaranteed this group the right to vote.
Women
This 1770 event saw British soldiers fire into a crowd of colonists, killing five people.
The Boston Massacre
This 1863 executive order legally freed enslaved people in the states currently in rebellion against the Union.
The Emancipation Proclamation
This President was responsible for the Louisiana Purchase of 1803, doubling the size of the country.
Thomas Jefferson
This war, which began in 1812, was ended by the signing of the Treaty of Ghent.
The War of 1812
Held in 1848, this was the first major convention specifically for women's rights in the U.S.
The Seneca Falls Convention
Before the Constitution was ratified, this document served as the first governing framework of the U.S.
The Articles of Confederation
This 1863 battle in Pennsylvania is widely considered the "High Water Mark of the Confederacy."
The Battle of Gettysburg
Known as "Old Hickory," this 7th President signed the Indian Removal Act of 1830.
Andrew Jackson
This was the secret codename for the U.S.-led effort to develop the first functional atomic weapons.
The Manhattan Project
These 1969 riots in New York City are widely considered the catalyst for the modern LGBTQ+ rights movement.
The Stonewall Riots
This Prussian military officer is credited with turning the Continental Army into a professional fighting force at Valley Forge.
Baron von Steuben
In 1870, this man became the first African American to serve in the U.S. Senate.
Hiram Rhodes Revels
He is the only person to have served as both President of the United States and Chief Justice of the Supreme Court.
William Howard Taft
This 1898 treaty ended the Spanish-American War, ceding Guam, Puerto Rico, and the Philippines to the U.S.
The Treaty of Paris
This 1964 volunteer campaign aimed to register as many Black voters as possible in Mississippi.
Freedom Summer