- 1st transatlantic flight take-off by a navy seaplane
- Appingedam soccer team forms
- Edward George Honey first proposes the idea of a moment of silence to commemorate The Armistice of World War I, which later results in the creation of Remembrance Day.
Mordecai Anielewicz, Jewish commander of Warsaw ghetto uprising, born in Wyszków, Second Polish Republic (d. 1943)
- Sultan Ismail Hajibeyov, composer