"The one exclusive sign of thorough knowledge is the power of teaching."
On this day: October 7
- 1763 – King George III issued a royal proclamation that forbade British settlement of much of newly acquired French territory in North America, reserving the land for indigenous peoples.
- 1849 – American writer Edgar Allan Poe died under mysterious circumstances at Washington Medical College four days after being found on the streets of Baltimore, Maryland, in a delirious and incoherent state.
- 1914 – Japan captured Pohnpei from Germany, eventually leading to large-scale Japanese immigration to Micronesia.
- 1944 – The Holocaust: Sonderkommando work-unit members in Auschwitz concentration camp revolted upon learning that they were due to be killed; although a few managed to escape, most were massacred on the same day.
- 2006 – Anna Politkovskaya (pictured), a Russian journalist and human-rights activist, was assassinated in the elevator of her apartment block in Moscow.
- Guru Gobind Singh (d. 1708)
- Harold Geiger (b. 1884)
- Helmut Lent (d. 1944)
- Charlotte Perrelli (b. 1974)