1921-1941

  • Kellogg-briand Pact

    Agreement that the signing nations would not use war as a means to resolve conflict.
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    The Great Depression

    The Great Depression was a result of the stock market crash in October 1929. It was the largest world wide economic depression.
  • Bonus Army

    The Bonus Army conflict was a large group of tens of thousands of World War 1 veterans who gathered in Washington DC, demanding their payment for their service in the war.
  • Good Neighbor Policy

    Roosevelt created this policy in order to improve diplomatic relations with Latin American countries.
  • Neutrality Acts

    Acts passed by US Congress in order to slow down the United States' involvement in wars.
  • Marco Polo Bridge Incident

    This incident was battle between China and Japan. It started the second Sino-Japanese War.
  • Germany invaded Poland

    This date marks the beginning of World War 2, when Germany violated the Treaty of Versailles by invading Poland.
  • Tripartite Pact

    Agreement between Germany, Italy, and Japan. Stated that if any of the nations were attacked, the others would declare war on anyone who attacked them. Signed in Berlin on September 27, 1940.
  • Pearl Harbor

    Japanese surprise air attack on the United States' naval base in Hawaii. 2,403 Americans were killed during this air raid, and many more were injured. This also caused the United States to decide to enter WW2.