Historical Events
- 47th Boston Marathon won by Gerard Cote of Canada in 2:28:25.8
- Bicycle Day - Swiss chemist Dr. Albert Hofmann deliberately takes LSD for the first time.
- Jews refuse to surrender the Warsaw Ghetto to SS officer Jürgen Stroop, who then orders its destruction, beginning the Warsaw Ghetto Uprising
Famous Birthdays
- Mike Kelly, rocker (Duprees)
Famous Deaths
- Alexander Schmorell, German resistance fighter, beheaded
- Gustave Doret, Swiss composer, dies at 76
- Willy Graf, German resistance fighter, beheaded