1349    The Jewish population of Basel, Switzerland, believed by the residents to be the cause of the ongoing Black Death, is rounded up and incinerated.

1938    LSD is first synthesized by Swiss chemist Dr. Albert Hofmann at the Sandoz Laboratories in Basel, Switzerland.

1954    UEFA (Union des Associations Européennes de Football) is formed in Basel, Switzerland.

1973    A British Vanguard turboprop crashes during a snowstorm at Basel, Switzerland killing 104.