Trivia

U.S. Secretary of State (1981-1982).

Fond words of remembrance written by former U.S. Secretary of State and National Security Adviser, Henry Kissinger, for "Time" magazine's Milestones section (Issue: March 8, 2010).

Father of Brian Haig, Alexander Haig Jr. and Barbara Haig.

At the same time he worked as Reagan's Secretary of State, he advised Sir Laurence Olivier in his portrayal of General Douglas MacArthur during the filming of Inchon (1981). Haig was a lieutenant under MacArthur's command.

Is portrayed by John Pochna in Inchon (1981), David Ogden Stiers in The Final Days (1989), Powers Boothe in Nixon (1995), Richard Dreyfuss in Panique à la Maison Blanche (2001), Bill Smitrovich in The Reagans (2003) and Patrick St. Esprit in Killing Reagan (2016).

Due to his notorious actions on 3/31/1981, "Alexander Haig Syndrome" is a term used in government, anytime a person who is not next-in-line position to act or succeed a government head acts like one.

After the events of 3/30/1981, he personally apologized to both then-Speaker of the House of Representatives, Tip O'Neill and then-President Pro Tempore of the Senate, Strom Thurmond for acting as President and not acknowledging that they were in positions ahead of him (in the Presidential Line-of-Succession).