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Henry Ford introduced the Model T, revolutionizing transportation by making automobiles affordable for the average American. -
Germany sent a secret message proposing a military alliance with Mexico, helping push the United States into World War I. -
Fighting in World War I officially ended on November 11, 1918. -
The U.S. Constitution was amended to grant women the right to vote. -
Lindbergh completed the first solo nonstop transatlantic flight from New York to Paris. -
The stock market crash signaled the beginning of the Great Depression. -
President Franklin D. Roosevelt launched federal programs to combat the Great Depression and reform the economy. -
Adolf Hitler was appointed Chancellor of Germany, leading to the rise of the Nazi dictatorship. -
Britain and France allowed Germany to annex parts of Czechoslovakia in an attempt to avoid war. -
Germany’s invasion of Poland triggered the start of World War II. -
Japan attacked the U.S. naval base at Pearl Harbor, bringing the United States into World War II. -
Allied forces launched a massive invasion of Nazi-occupied France on June 6, 1944. -
The UN was established to promote international cooperation and prevent future conflicts. -
The United States dropped atomic bombs on two Japanese cities, leading to Japan’s surrender. -
George Kennan outlined the U.S. strategy of containment toward the Soviet Union. -
Western nations formed a military alliance to counter Soviet influence. -
The Soviet Union successfully tested its first nuclear weapon. -
A conflict erupted between North and South Korea, involving U.S. and UN forces against communist powers. -
The Supreme Court ruled that racial segregation in public schools was unconstitutional. -
Parks’ arrest sparked the Montgomery Bus Boycott and energized the Civil Rights Movement. -
The U.S. and Soviet Union came close to nuclear war over missiles in Cuba. -
President John F. Kennedy was assassinated in Dallas, Texas. -
Congress authorized expanded U.S. military involvement in Vietnam. -
The United States fought to prevent the spread of communism in Southeast Asia. -
Neil Armstrong became the first human to walk on the Moon. -
ARPANET, the precursor to the modern Internet, transmitted its first message. -
A political scandal began with a break-in at Democratic headquarters. -
President Richard Nixon resigned to avoid impeachment over the Watergate scandal. -
The wall dividing East and West Berlin was torn down, symbolizing the end of the Cold War. -
Terrorist attacks on the U.S. killed nearly 3,000 people and reshaped global politics. -
A global outbreak of coronavirus caused widespread illness, deaths, and economic disruption.