Bicycle Day 2903

Thursday, 19 April 2903

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 2903?
Bicycle Day 2903 is on Thursday, 19 April 2903.
What day of the week is Bicycle Day 2903?
It falls on Thursday.
How is Bicycle Day calculated?
This event is observed every year on 19 April.