1921-1941

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    The Teapot Dome scandal

    The Teapot Dome scandal was a bribery scandal involving the administration of United States President Warren G. Harding. Secretary of the Interior Albert Bacon Fall had leased Navy petroleum reserves at Teapot Dome in Wyoming, and two locations in California, to private oil companies at low rates without competitive bidding. It damaged the reputation of the Harding administration.
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    Presidency of Warren G. Harding

    He was one of the most popular U.S. presidents, but he lost regard somewhat for the a series of scandals under his administration, such as Teapot Dome.
  • Emergency Quota Act

    The Emergency Quota Act was signed to limit the immigration into the United States.
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    Washington Disarmament Conference

    Washington Disarmament Conference was a military conference called by Warren G. Harding and held in Washington, D.C.. It was attended by nine nations—the United States, Japan, China, France, Britain, Italy, Belgium, Netherlands, and Portugal. It was considered as a model for a successful disarmament movement.
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    Presidency of Calvin Coolidge

    Calvin Coolidge became the 30th president in the United States. He succeeded to the presidency upon the sudden death of Warren G. Harding.
  • Immigration Act of 1924

    The Immigration Act of 1924 included the Asian Exclusion Act and National Origins Act. It prevented immigration from Asia, set quotas on the number of immigrants from the Eastern Hemisphere, and provided funding and an enforcement mechanism to carry out the longstanding ban on other immigrants.
  • The Jazz Singer

    The Jazz Singer, the first "talkie" is released.
  • the first trans-Atlantic flight

    Charles A. Lindbergh completed the first solo, nonstop transatlantic flight in history, flying his Spirit of St. Louis from Long Island, New York, to Paris, France.
  • Kellogg–Briand Pact

    Kellogg–Briand Pact is an international agreement in which signatory states promised not to use war to resolve "disputes or conflicts of whatever nature or of whatever origin they may be, which may arise among them".
  • Territory of American Samoa

    American Samoa officially becomes a U.S. territory.
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    Presidency of Herbert Hoover

    Herbert Hoover served as the 31st president of the United States.
  • Start of the Great Depression

    The Great Depression was a severe worldwide economic depression that took place mostly during the 1930s, beginning in the United States. It was the longest, deepest, and most widespread depression of the 20th century.
  • Reconstruction Finance Corporation

    Its purpose was to boost the country’s confidence and help banks resume daily functions after the start of the Great Depression. The RFC became more prominent under the New Deal and continued to operate through World War II. It was disbanded in 1957, when the US Federal Government concluded that it no longer needed to stimulate lending.
  • Flight across Atlantic Ocean

    Amelia Mary Earhart was the first female aviator to fly solo across the Atlantic Ocean.
  • Announcement of Good Neighbor policy

    The Good Neighbor policy was the foreign policy of the administration of United States President Franklin Roosevelt towards Latin America.
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    Presidency of Franklin D. Roosevelt

    Franklin D. Roosevelt became the 32nd President of the United States.
  • Nellie Tayloe Ross's elected

    Nellie Tayloe Ross was the first women governer in the U.S..
  • Tennessee Valley Authority

    The Tennessee Valley Authority is a federally owned corporation in the United States created to provide navigation, flood control, electricity generation, fertilizer manufacturing, and economic development to the Tennessee Valley, a region particularly affected by the Great Depression.
  • Tydings–McDuffie Act

    Tydings–McDuffie Act is a United States federal law that established the process for the Philippines, then an American colony, to become an independent country.
  • Indian Reorganization Act

    The major goal of the Indian Reorganization Act was to reverse the traditional goal of assimilation of Indians into American society and to strengthen, encourage and perpetuate the tribes and their historic traditions and culture.
  • National Labor Relations Act of 1935

    It guarantees basic rights of private sector employees to organize into trade unions, engage in collective bargaining for better terms and conditions at work, and take collective action including strike if necessary.
  • Robinson–Patman Act

    It was designed to protect small retail shops against competition from chain stores by fixing a minimum price for retail products.
  • Hindenburg disaster

    The German passenger airship LZ 129 Hindenburg caught fire and was destroyed during its attempt to dock with its mooring mast at Naval Air Station Lakehurst.The event shattered public confidence in the giant, passenger-carrying rigid airship.
  • Golden Gate Bridge completed

    Golden Gate Bridge connected San Francisco Bay and the Pacific Ocean.
  • World War II began

    Germany invaded Poland , marking the start of World War II.
  • Atlantic Charter

    The Atlantic Charter was a pivotal policy statement issued during World War II which defined the Allied goals for the post-war world.
  • Attack on Pearl Harbor

    The Attack of Pearl Harbor was a military strike by the Imperial Japanese Navy Air Service against the United States naval base at Pearl Harbor. It led to the United States' formal entry into World War II.
  • U.S. enters World War II

    Four days after the Japanese attack on Pearl Harbor and the United States declaration of war against the Japanese Empire