Wars & Conflicts
Presidents & Leaders
Industrial Innovations
Agricultural Innovations
American Women
100

This war, fought between 1775 and 1783, led to the independence of the United States.

The American Revolution


100

This Founding Father was the first President of the United States

George Washington

100

This man invented the telephone

Alexander Graham Bell

100

Eli Whitney is best known for inventing this machine, which revolutionized cotton production.

The Cotton Gin

100

This woman is known for helping enslaved people escape on the Underground Railroad.

Harriet Tubman

200

The Civil War began in 1861 when Confederate forces fired upon this fort in South Carolina.

Fort Sumter

200

This President issued the Emancipation Proclamation, which declared enslaved people in Confederate states free.

Abraham Lincoln

200

This invention by Henry Ford made it possible to mass-produce automobiles

The Assembly Line

200

This famous invention by John Deere made farming the tough prairie soil easier.

The Steel Plow

200

She sewed the first American flag, according to legend.

Betsy Ross

300

The War of 1812 was fought between the United States and this country

Great Britain

300

This famous frontiersman and Tennessee politician died at the Alamo in 1836

Davy Crockett

300

Samuel Morse developed this communication system using dots and dashes.

Morse Code

300

Farmers in the Great Plains faced this major environmental challenge in the 1800s.

Drought

300

This leader of the women’s suffrage movement was arrested for voting in the 1872 presidential election.

Susan B. Anthony

400

This treaty officially ended the American Revolution in 1783.

The Treaty of Paris

400

This President was known as "Old Hickory" and was the first from Tennessee.

Andrew Jackson

400

In the 19th century, Andrew Carnegie led the expansion of this industry, making skyscrapers and railroads possible.

The Steel Industry

400

This agricultural method, used by Native Americans and early settlers, involves rotating crops to maintain soil health.

Crop Rotation

400

This woman refused to give up her seat on a bus in Montgomery, Alabama, sparking the Civil Rights Movement.

Rosa Parks

500

The last major battle of the American Revolution was fought in 1781, leading to British General Cornwallis’s surrender.

The Battle of Yorktown

500

The third President of the U.S., he made the Louisiana Purchase, doubling the country's size.

Thomas Jefferson

500

This 19th-century innovation, created by Thomas Edison, provided long-lasting electric light.

The incandescent light bulb

500

George Washington Carver is famous for promoting the agricultural use of this crop to improve soil quality.

Peanuts

500

This woman helped guide Lewis and Clark during their expedition throughout the Louisiana territory

Sacagawea

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