U.S History Timeline: 20th Century

1492
  1903
The United States begins digging the Panama Canal. The canal opens in 1914, connecting the Atlantic and Pacific oceans.
Model T Ford 1908
Henry Ford introduces the Model T car, priced at $850.
Jeannette Rankin 1916
Jeannette Rankin of Montana becomes the first woman elected to Congress.
  1917
- 1918
The United States joins World War I on the side of the Allies against Germany.
Charles A. Lindbergh
World War I
In World War I the United States fought with Great Britain, France, and Russia (the Allies) against Germany and Austria-Hungary. The Allies won the war in 1918.
1927
Charles A. Lindbergh becomes the first person to fly alone nonstop across the Atlantic Ocean.
  1929
A stock market crash marks the beginning of the Great Depression.
 
The Great Depression
The stock market crash of October 1929 led to a period of severe hardship for the American people-the Great Depression. As many as 25 percent of all workers could not find jobs. The Depression lasted until the early 1940s. The Depression also led to a great change in politics. In 1932, Franklin D. Roosevelt, a Democrat, was elected president. He served as president for 12 years, longer than any other president.
atomic bomb 1933
President Franklin D. Roosevelt's New Deal increases government help to people hurt by the Depression.
1941
Japan attacks Pearl Harbor, Hawaii. The United States enters World War II.
1945
Germany and Japan surrender, ending World War II. Japan surrenders after the U.S. drops atomic bombs on Hiroshima and Nagasaki.
Jackie Robinson 1947
Jackie Robinson becomes the first black baseball player in the major leagues when he joins the Brooklyn Dodgers.
1950
- 1953
U.S. armed forces fight in the Korean War.
1954
The U.S. Supreme Court forbids racial segregation in public schools.
 
School Segregation
The U.S. Supreme Court ruled that separate schools for black students and white students were not equal. The Court said such schools were against the U.S. Constitution. The ruling also applied to other forms of segregation-separation of the races that were supported by some states.
  1963
President John Kennedy is assassinated.
  1964
Congress passes the Civil Rights Act, which outlaws discrimination in voting and jobs.
  1965
The United States sends large numbers of soldiers to fight in the Vietnam War.
Neil Armstron on the moon 1968
Civil rights leader Martin Luther King Jr. is assassinated in Memphis. Senator Robert F. Kennedy is assassinated in Los Angeles.
1969
U.S. Astronaut Neil Armstrong becomes the first person to walk on the moon.
1973
U.S.participation in the Vietnam War ends.
1974
President Richard Nixon resigns because of the Watergate scandal.
 
Watergate
In June 1972, five men were arrested in the Watergate building in Washington, D.C., for trying to bug telephones in the offices of the Democratic National Committee. Some of those arrested worked for the committee to reelect President Richard Nixon. Later it was discovered that Nixon was helping to hide information about the break-in.
  1979
U.S. hostages are taken in Iran, beginning a 444-day crisis that ends with their release in 1981.
  1981
Sandra Day O'Connor becomes the first woman on the U.S. Supreme Court.
  1985
U.S. President Ronald Reagan and Soviet leader Mikhail Gorbachev begin working together to improve relations between their countries.
  1991
The Persian Gulf War: The United States and its allies defeat Iraq.
  1992
Bill Clinton, a Democrat, is elected president, defeating George Bush.
  1994
The Republican Party wins majorities in both houses of Congress for the first time in 40 years.
  1998
The federal government announces that, for the first time in many years, it will begin receiving more money than it spends.
  1999
After an impeachment trial, the Senate finds President Clinton not guilty.
  2000
George W. Bush narrowly defeats Al Gore in a hotly fought battle for the presidency. The race is finally settled by the U.S. Supreme Court in December.
  2001
Hijacked jets crashed into the World Trade Center and the Pentagon, September 11, killing about 3,000 people.
  2003
U.S.- led forces invade Iraq and remove dictator Saddam Hussein

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