Historical Events
- Oct 3 The Treaty of Nissa is signed by the Ottoman Empire and Russia at the end of the Russian-Turkish War, 1736-1739.
- Oct 19 England declares war on Spain [OS=Oct 30]
Declaration of War
Oct 23 War of Jenkins' Ear starts: British Prime Minister, Robert Walpole, reluctantly declares war on Spain
- Oct 30 Great Britain declares war on Spain: War of Jenkins' Ear [NS=Oct 19]
Famous Birthdays
- Oct 24 Anna Amalia of Brunswick-Wolfenbüttel, German princess and composer (patron of Classical Weimar court), born in Wolfenbüttel (d. 1807)
- Oct 27 Franz Ignaz Kaa, German composer, born in Offenburg, Baden-Württemberg (d. 1818)
- Oct 30 Grigory Potemkin, Russian military leader, statesman and favorite of Catherine the Great, born in Chizhovo near Smolensk (d. 1791)
Famous Deaths
- Oct 18 Antônio José da Silva, Brazilian-born dramatist (b. 1705)