May 2th - Humphries' Law of Bicycling: The shortest route has the steepest hills.
May 6th - Hindenburg Explodes 1937. Law of Revelation: The hidden flaw never remains hidden.
May 10th - Natalie's Law of Algebra: You never catch on until after the test.
May 12th - Mother's Day. O'Toole's Axiom: One child is not enough, but two children are far too many.
May 15th - Willoughby's Law: When you try to prove that a machine won't work, it will.
May 20th - Victoria Day (Canada), Lindbergh Flies Across Atlantic 1927. Hollenbeck's Law: The direction of takeoff will be opposite that of the final destination.
May 23rd - Captain Kidd Hanged 1701. Harrison's Postulate: For every action, there is an equal and opposite criticism.
May 27th - Memorial Day Observed. Lovka's Freeway Axiom: The driver behind you wants to go five miles per hour faster.
May 29th - Schrimpton's Law of Teenage Opportunity: When opportunity knocks, you've got headphones on.