Bicycle Day

"Bicycle Day is commemorated as the day Swiss Scientist Albert Hofmann discovered the effects of the psychedelic substance Lysergic acid diethylamide, also known as LSD. On April 19, 1943, Hofmann ingested 0.25 milligrams of the substance. Less than one hour later, Hofmann experienced sudden and intense changes in perception. He asked his laboratory assistant to escort him home. As was customary in Basel, they made the journey by bicycle.

"... Little by little I could begin to enjoy the unprecedented colors and plays of shapes that persisted behind my closed eyes. Kaleidoscopic, fantastic images surged in on me, alternating, variegated, opening and then closing themselves in circles and spirals, exploding in colored fountains, rearranging and hybridizing themselves in constant flux ..."