2002 The Department of Homeland Security is created on November 25.Timeline State: District of ColumbiaTimeline Country: United StatesTimeline Subjects: national securityEra: 2001-2010 Read more about 2002
1983 On March 23, President Reagan announces the Strategic Defense Initiative (SDI missile defense system.Timeline State: District of ColumbiaTimeline Country: United StatesTimeline Subjects: national securityEra: 1901-2000 Read more about 1983
1971 The first of the Pentagon Papers are published by the New York Times on June 13.Timeline State: New YorkTimeline Country: United StatesTimeline Subjects: national securityEra: 1901-2000 Read more about 1971
1962 The Cuban Missile Crisis runs from October 14 to November 20.Timeline State: N.A.Timeline Country: United StatesTimeline Subjects: national securityEra: 1901-2000 Read more about 1962
1954 The Army-McCarthy Hearings are held from April to June.Timeline State: District of ColumbiaTimeline Country: United StatesTimeline Subjects: national securityEra: 1901-2000 Read more about 1954
1951 Julius and Ethel Rosenberg are convicted of treason on March 29 and executed on June 19, 1953. Timeline State: New YorkTimeline Country: United StatesTimeline Subjects: national securityEra: 1901-2000 Read more about 1951
1947 The National Security Act is signed into law by President Harry S. Truman on July 25.Timeline State: District of ColumbiaTimeline Country: United StatesTimeline Subjects: national securityEra: 1901-2000 Read more about 1947
