United States Department of State

Some of the key events about United States Department of State

• 1789

  Established as the first executive department of the U.S. government
• 1803

  Negotiated the Louisiana Purchase, doubling the size of the United States
• 1823

  Formulated the Monroe Doctrine, asserting U.S. protection over the Western Hemisphere
• 1846

  Supported the annexation of Texas, leading to the Mexican-American War
• 1867

  Orchestrated the purchase of Alaska from Russia
• 1898

  Negotiated the Treaty of Paris, ending the Spanish-American War
• 1898

  Advocated for the annexation of Hawaii, undermining Hawaiian sovereignty
• 1903

  Orchestrated the separation of Panama from Colombia to secure rights for the Panama Canal
• 1947

  Implemented the Marshall Plan to rebuild post-World War II Europe
• 1954

  Involved in covert operations to overthrow Guatemala's democratically elected government
• 1961

  Established the U.S. Agency for International Development (USAID)
• 1961

  Supported the failed Bay of Pigs invasion attempt in Cuba
• 1965

  Escalated U.S. involvement in the Vietnam War
• 1969

  Played a key role in negotiating the Nuclear Non-Proliferation Treaty
• 1973

  Supported the coup against Chile's democratically elected government
• 1979

  Facilitated the Camp David Accords between Egypt and Israel
• 1983

  Provided inaccurate intelligence leading to the invasion of Grenada
• 1991

  Led diplomatic efforts to form the international coalition in the Gulf War
• 2002

  Presented flawed intelligence to justify the invasion of Iraq
• 2010

  Leaked classified diplomatic cables through WikiLeaks, compromising international relations

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