HashtagsCompiled on | #BicycleDay |
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2025 Date | April 19, 2025 |
2026 Date | April 19, 2026 |
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Misc. & Int'l. Observancesℹ | ||
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Top X Posts (formerly Tweets) for Bicycle Day -Updated
Bicycle Day HistoryBicycle Day seeks to commemorate the day Swiss chemist Albert Hofmann purposefully ingested LSD-25, or Lysergic Acid Diethylamide. In his research to create an anti-hemorrhaging drug using ergot fungus, Hofmann had accidentally been exposed to the synthetic chemical LSD. Noticing some adverse effects such as dizziness and restlessness, Hofmann decided to ingest what he believed to be a safe dose, .25 milligrams, a few days later. Bicycle day recognizes Hofmann’s experience with LSD in 1943 and acknowledges it as the first acid trip. After ingestion, Hofmann became anxious and paranoid and asked his assistant to accompany him home. Together they biked to Hofmann’s home, hence the name of the day. After seeing a doctor and finding nothing wrong physically, Hofmann calmed down. He would later describe his experience, kaleidoscopic, fantastic images surged in on me, alternating, variegated, opening and then closing themselves in circles and spirals, exploding in color fountains… It was particularly remarkable how every acoustic perception became transformed into optical perceptions. Bicycle Day was created in 1985 by Northern Illinois University professor Thomas B. Roberts. He started the day as a celebration of the first intentional exposure to LSD. It is observed annually on April 19th. Facts & quotes about Bicycle Day
In the News and Trending in the US for Bicycle DayUpdated The Bicycle Day Dream Bike: A Carbon Fiber Hommage To Albert Hofmannforbes.com Bicycle Day marks an unofficial commemoration of the first use of LSDdelawarepublic.org SF's 4/20 celebration is a bust, but have you heard about 'Bicycle Day'?ktvu.com Happy Bicycle Day! | On the Media | WNYC Studioswnycstudios.org Top things to do in the US for Bicycle Day
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