Bicycle Day 2974

Tuesday, 19 April 2974

Bicycle Day commemorates the historic 19 April 1943 bicycle ride by Swiss chemist Albert Hofmann, who first experienced the effects of LSD, and is marked each year on 19 April.

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Frequently asked questions

When is Bicycle Day 2974?
Bicycle Day 2974 is on Tuesday, 19 April 2974.
What day of the week is Bicycle Day 2974?
It falls on Tuesday.
How is Bicycle Day calculated?
This event is observed every year on 19 April.