1942-1953

  • Agreement for 1st Atomic bomb

    The development of the first atomic bomb is signed into agreement between the Prime minister of Great Britain, Winston Churchill, and FDR in Hyde park, NY.
  • Manhattan Project

    The first nuclear chain is produced at the University of Chicago. Creating fission of the Uranium U-235.
  • 1st African American official in the US State department

    Ralph Buche appointed 1st African American official into the US State Department.
  • G.I. Bill of Rights

    G.I. Bill of rights is signed into law, providing benefits to veterans.
  • Franklin D. Roosevelt becomes President

    FDR sworn in for an unprecedented 4th term as the U.S. President.
  • Death of FDR

    President Franklin D. Roosevelt suddenly dies. Vice President Harry S. Truman assumes the presidency following FDR's death.
  • Use of Atomic bomb

    Truman gives the greenlight for the use of the atomic bomb with the bombing of Hiroshima. 3 days later the second bomb is dropped on Nagasaki.
  • Harry Truman establishes Committee on Civil Rights

    President Truman establishes the Presidents committee on civil rights to investigate the status of civil rights in the Unites states.
  • Marshal plan

    Truman signs the Marshall plan which authorizes 15 billion in aid for 16 countries.
  • Twenty second amendment

    The 22nd Amendment to the U.S. limiting presidents to two terms is ratified.
  • Expiration of the Marshall plan

    Marshall plan expires after distributing more than 13.3 billion USD in foreign aid to rebuild Europe.
  • Announcement of Hydrogen Bomb

    President Truman announces the United States has developed a hydrogen bomb.
  • Dwight D. Eisenhower becomes 34th president

    Dwight D. Eisenhower is sworn into office as the 34th President of the U.S.