World War II
The Gilded Age
Abraham Lincoln
American Imperialism
Civil Rights
400

First city on which the U.S. dropped an atomic bomb on August 6, 1945

Hiroshima, Japan

400
Private guards famously used to fight against striking workers at the Homestead Steel Mill in 1892

Pinkerton Guards

400

The name of the theater in Washington D.C. where Lincoln was assassinated 

Ford's Theater

400

Future U.S. President who was appointed civilian governor of the Philppenes (for the U.S.) in 1901

William Howard Taft
400

Escaped slave, biographer, orator and abolitionist who wrote a famous speech called "What to the Slave is a the Fourth of July" 

Frederick Douglass 

800

Famous joint statement by the U.S., U.K., and China issued on July 26, 1945 demanding Japan's unconditional surrender of World War II

The Potsdam Declaration

800

Muckraking journalist who wrote The History of the Standard Oil Company (1904)

Ida Tarbell

800

Lincoln's Secretary of State

William H. Seward

800
Central American nation that declared its independence from Columbia in 1903 (with U.S. support)

Panama

800

Famous 1954 U.S. Supreme Court case that held that state-sponsored racial segregation in public schools was unconstitutional under the Equal Protection Clause of the Fourteenth Amendment to the Constitution

Brown v Board of Education

1200
Product that was subject of an embargo against Japan in 1941, leading, in part, to Pearl Harbor

Oil

1200

Wrote a famous essay called The Gospel of Wealth (1889)

Andrew Carnegie

1200

Lincoln's Vice President during his second term in office as President

Andrew Johnson

1200

Future U.S. President who led his "Rough Riders" to victory during the Spanish-American War (1898)

Theodore Roosevelt
1200

Founder of the Tuskegee Institute (1881) who encouraged African-Americans to prioritize economic equality over social and political equality

Booker T. Washington

1600

Women's branch of the U.S. Naval Reserves during World War II

WAVES (Women Accepted for Volunteer Service)

1600

President famous for raising tariffs to 50% on most imported goods in 1890

President William McKinley

1600

First commanding officer of the Union Army in the Civil War dismissed from the army by Lincoln in 1862

General George B. McClellan

1600

American territory who name means "Rich Port" in English

Puerto Rico

1600

Constitutional amendment that abolished slavery

Thirteenth Amendment (1865)

2000

He was president throughout most of World War II, until his death in 1945 

Franklin Delano Roosevelt

2000

Famous co-author (along with Charles Dudley-Warner) of an 1873 novel called The Gilded Age 

Mark Twain

2000

Lincoln's famous debates with Senator Stephen Douglas in 1858

Lincoln-Douglass Debates

2000

Island nation annexed by the U.S. at the behest of U.S. sugar companies in 1898

Hawaii

2000

Famous 1896 U.S. Supreme Court case that established the "separate but equal" doctrine in public facilities 

Plessy v Ferguson