"The one exclusive sign of thorough knowledge is the power of teaching."
On this day: November 15
- 1760 – The chapel of the newly constructed Castellania in Valletta, Malta, was consecrated.
- 1859 – Sponsored by Greek businessman Evangelos Zappas, the first modern revival of the Olympic Games took place in Athens.
- 1889 – Brazilian emperor Pedro II was overthrown in a coup led by Deodoro da Fonseca (pictured), while the country was proclaimed a republic.
- 1922 – During a general strike in Guayaquil, Ecuador, police and military fired into a crowd, killing at least 300 people.
- 1959 – Two men murdered a family in Holcomb, Kansas; the events became the subject of Truman Capote's non-fiction novel In Cold Blood, a pioneering work of the true crime genre.
- Madeleine de Scudéry (b. 1607)
- Sara Josephine Baker (b. 1873)
- Charles Thomson Rees Wilson (d. 1959)
- Margaret Mead (d. 1978)
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