Quasi-War. Undeclared naval war with France; Adams ends it with the Murray delegation, disrupting Federalist Party
- Oregon Question; U.S. and Britain at sword's point; "54-40 or fight" is American slogan
McKinley demands immediate reforms in Cuba; Spain stalls
1903 - Hay-Bunau Varilla Treaty with Panama; leased strip of land increased to 10 miles (16 km) wide.
1937 - Spanish Civil War; U.S. neutral;
1947-1989 - Cold War, the period of tension and hostility between Soviet bloc and US/West Europe/Japan
1972 - Nixon visits China in dramatic breakthrough
2001 - Al-Qaeda terrorists launch 9-11 Attack against U.S. President George W. Bush, with strong backing in Congress and NATO, declares "War on terrorism"
2003 - Bush and neoconservative advisers propose to follow Wilsonianism in foreign affairs by aggressively promoting democracy in the Middle East, and by isolating rogue states that comprise the "Axis of Evil," comprising Iraq, Iran and North Korea.