Bicycle Day 1990

Thursday, 19 April 1990

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.

Frequently asked questions

When is Bicycle Day 1990?
Bicycle Day 1990 is on Thursday, 19 April 1990.
What day of the week is Bicycle Day 1990?
It falls on Thursday.
How is Bicycle Day calculated?
This event is observed every year on 19 April.