April 16. 1943 – In Basel, Switzerland, Albert Hoffman, a Swiss chemist working at the Sandoz pharmaceutical research laboratory, accidentally consumes LSD-25, a synthetic drug he had created in 1938. After taking the drug, formally known as lysergic acid diethylamide, Dr. Hoffman was disturbed by unusual sensations and hallucinations. In his notes, he related the experience, but Lennon and McCartney were far more pop chart friendly:
