- Oct 1 France annexes Southern Netherlands
- Oct 1 Belgium is conquered by France.
- Oct 2 Tula (leader slave uprising) sentence to death in Curacao
- Oct 16 M von Böhms "Oorlogscantate" premieres
- Oct 24 3rd Partition of Poland, between Austria, Prussia & Russia
- Oct 26 The Directoire, a five-man revolutionary government of France, is created
- Oct 27 Pinckney's Treaty [Treaty of San Lorenzo] signed by Spain and US, establishing the southern boundary of the US and giving Americans right to navigate the Mississippi River