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The Invention of the Model T
The introduction of Ford’s mass-produced automobile, which revolutionized transportation. -
The Zimmerman Telegram
A secret diplomatic communication from Germany to Mexico proposing an alliance during World War I, which contributed to the U.S. entering the war. -
The WWI Armistice
The agreement that ended fighting on the Western Front in World War I, marking the end of the war. -
The 19th Amendment
This amendment granted women the right to vote in the United States. -
Charles Lindbergh’s Flight
The first solo nonstop transatlantic flight by Charles Lindbergh from New York to Paris. -
Black Thursday
The stock market crash that marked the beginning of the Great Depression. -
The New Deal
A series of programs and reforms introduced by Franklin D. Roosevelt to counter the effects of the Great Depression. -
Hitler Becomes Chancellor
Adolf Hitler was appointed Chancellor of Germany, beginning his rise to totalitarian power. -
Hitler Invades Poland
The German invasion of Poland triggered the start of World War II. -
The Munich Pact
An agreement allowing Nazi Germany to annex parts of Czechoslovakia, which failed to prevent World War II. -
Pearl Harbor Attack
A surprise Japanese attack on the U.S. naval base at Pearl Harbor, leading to America’s entry into World War II. -
D-Day
The Allied invasion of Normandy, France, which was a turning point in World War II. -
Hiroshima
The U.S. dropped atomic bombs on these two Japanese cities, leading to Japan’s surrender in World War II. -
Nagasaki
The U.S. dropped atomic bombs on these two Japanese cities, leading to Japan’s surrender in World War II. -
Formation of the United Nations
The creation of an international organization aimed at maintaining peace and promoting cooperation among nations. -
The Long Telegram
A diplomatic cable from U.S. diplomat George Kennan outlining the Soviet threat and the policy of containment. -
Formation of NATO
The North Atlantic Treaty Organization, a military alliance formed for mutual defense against Soviet aggression. -
Russians Acquire the Atomic Bomb
The Soviet Union successfully tested its first nuclear bomb, ending the U.S. atomic monopoly. -
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The Korean War
A war between North and South Korea, with the U.S. and China supporting opposite sides. -
Brown v. Board of Education
The Supreme Court case that declared racial segregation in public schools unconstitutional. -
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The Vietnam War
A conflict between communist North Vietnam and non-communist South Vietnam, with U.S. military involvement. -
Rosa Parks Refuses to Give Up Her Seat
Rosa Parks’ arrest for refusing to vacate her seat on a segregated bus sparked the Civil Rights Movement. -
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The Cuban Missile Crisis
A tense 13-day standoff between the U.S. and the Soviet Union over the presence of Soviet missiles in Cuba. -
JFK’s Assassination
President John F. Kennedy was assassinated in Dallas, Texas. -
The Gulf of Tonkin Resolution
A U.S. Congressional resolution that escalated American involvement in the Vietnam War. -
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Apollo 11 Moon Landing
The first successful manned mission to land on the Moon, with Neil Armstrong and Buzz Aldrin walking on its surface. -
Watergate Break-ins
The burglary of the Democratic National Committee headquarters, leading to the Watergate scandal and President Nixon’s resignation. -
Nixon’s Resignation
President Richard Nixon resigned due to the Watergate scandal, becoming the first U.S. president to do so. -
The Invention of the Internet
The World Wide Web was made publicly available, revolutionizing communication and information sharing. -
The Fall of the Berlin Wall
The demolition of the Berlin Wall, symbolizing the end of the Cold War and the reunification of East and West Germany. -
The 9/11 Attacks
Terrorist attacks by al-Qaeda on U.S. soil, resulting in massive loss of life and leading to global counterterrorism efforts. -
Covid-19 Pandemic
The World Health Organization declared the global outbreak of COVID-19 a pandemic, which affected nearly every country in the world.