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Passage of the 14th Amendment
The 14th Amendment, passed in 1868, included several key clauses like the Equal Protection Clause and Citizenship Clause, and also gave citizenship to freed slaves. -
Passage of the 15th Amendment
The 15th Amendment, most famously, gave African Americans the right to vote and banned race-based discrimination when it comes to voting. -
Battle of Little Bighorn
The Battle of Little Bighorn, also known as Custer's Last Stand, was a battle between U.S. forces and the Lakota, Cheyenne, and Arapaho tribes. -
Haymarket Riots
The Haymarket Riots started out as a protest against unfair working conditions and hours, but things quickly devolved when police moved in to shut down the rally and a bomb was thrown. -
Passage of the Sherman Antitrust Act
The Sherman Antitrust Act banned monopolies and certain uncompetitive business practices. -
Plessy v. Ferguson
Plessy v. Ferguson was a landmark Supreme Court Case where the doctrine of "Separate but Equal" was established. -
Triangle Shirtwaist Factory Fire
The Triangle Shirtwaist Factory Fire was a fire that killed over one hundred people, largely due to improper working conditions. -
Sinking of the Lusitania
The sinking of the RMS Lusitania, a British ship, by a German submarine helped push the United States towards joining in World War I, as the sinking killed over one hundred Americans on board. -
Signing of the Treaty of Versailles
The Treaty of Versailles marked the end of World War I, as well as caused several major issues that led to World War II, as well as other major global conflicts. -
Passage of the 19th Amendment
The 19th Amendment gave women the right to vote, as well as banned voting discrimination based on sex. -
Black Tuesday
Black Tuesday refers to the day of the Stock Market Crash, leading to the Great Depression. -
Passage of the Social Security Act
President FDR passed the Social Security Act, which created the Social Security programs that are still used today. It also helped take older workers out of the workforce during the Great Depression, opening up more jobs for younger Americans. -
Jesse Owens Wins Four Gold Medals at Berlin Olympics
Jesse Owens won four gold medals at the 1936 Olympics in the 100m, 200m, 4x100m, and Long Jump events. -
Japanese Attack on Pearl Harbor
Japanese forces attacked Pearl Harbor, leading to the United States' entry into World War II. -
Jackie Robinson Breaks Major League Baseball's Color Barrier
Jackie Robinson made his Major League debut, making him the first African American to play in the Major Leagues. -
Victory In Europe (WWII)
The formal surrender of the German army during World War II. -
First Successful Test of a Nuclear Weapon
The Trinity Test done by the Manhattan Project, which led to the first successful atomic bomb. -
Bombing of Hiroshima
The first atomic bomb was used in warfare against the Japanese in the city of Hiroshima. -
Army-McCarthy Hearings
In these hearings, senator Joeseph McCarthy alleged that several members of Congress were communists, which sparked panic across the United States. Over the course of the hearings, however, McCarthy himself was questioned on his conduct and lost popularity. -
Brown v. Board of Education
This landmark Supreme Court case overturned Plessy v. Ferguson and ruled that "Separate but Equal" was unconstitutional.