| 86161 | July 30 | Death | 734 – Tatwine, English archbishop (b. 670) |
| 86162 | July 30 | Death | 1516 – Johann V of Nassau-Vianden-Dietz (b. 1455) |
| 86163 | July 30 | Death | 1540 – Thomas Abel, English priest and martyr (b. 1497) |
| 86164 | July 30 | Death | 1540 – Robert Barnes, English martyr and reformer (b. 1495) |
| 86165 | July 30 | Death | 1550 – Thomas Wriothesley, 1st Earl of Southampton, English politician, Lord Chancellor of the United Kingdom (b. 1505) |
| 86166 | July 30 | Death | 1652 – Charles Amadeus, Duke of Nemours (b. 1624) |
| 86167 | July 30 | Death | 1680 – Thomas Butler, 6th Earl of Ossory, Irish admiral and politician, Lord Lieutenant of Ireland (b. 1634) |
| 86168 | July 30 | Death | 1683 – Maria Theresa of Spain (b. 1638) |
| 86169 | July 30 | Death | 1691 – Daniel Georg Morhof, German scholar and academic (b. 1639) |
| 86170 | July 30 | Death | 1718 – William Penn, English businessman and philosopher, founded the Province of Pennsylvania (b. 1644) |
| 86171 | July 30 | Death | 1771 – Thomas Gray, English poet and scholar (b. 1716) |
| 86172 | July 30 | Death | 1789 – Giovanna Bonanno, Italian criminal (b. 1713) |
| 86173 | July 30 | Death | 1811 – Miguel Hidalgo y Costilla, Mexican priest and soldier (b. 1753) |
| 86174 | July 30 | Death | 1875 – George Pickett, American general (b. 1825) |
| 86175 | July 30 | Death | 1889 – Charlie Absolom, England cricketer (b. 1846) |
| 86176 | July 30 | Death | 1898 – Otto von Bismarck, German lawyer and politician, 1st Chancellor of Germany (b. 1815) |
| 86177 | July 30 | Death | 1900 – Alfred, Duke of Saxe-Coburg and Gotha (b. 1844) |
| 86178 | July 30 | Death | 1912 – Emperor Meiji of Japan (b. 1852) |
| 86179 | July 30 | Death | 1918 – Joyce Kilmer, American soldier, journalist, and poet (b. 1886) |
| 86180 | July 30 | Death | 1920 – Albert Gustaf Dahlman, Swedish executioner (b. 1848) |
| 86181 | July 30 | Death | 1930 – Joan Gamper, Swiss-Spanish footballer and businessman, founded FC Barcelona (b. 1877) |
| 86182 | July 30 | Death | 1938 – John Derbyshire, English swimmer and water polo player (b. 1878) |
| 86183 | July 30 | Death | 1941 – Hugo Celmiņš, Latvian politician, former Prime Minister of Latvia (b. 1877) |
| 86184 | July 30 | Death | 1947 – Joseph Cook, English-Australian miner and politician, 6th Prime Minister of Australia (b. 1860) |
| 86185 | July 30 | Death | 1965 – Jun'ichirō Tanizaki, Japanese author and playwright (b. 1886) |
| 86186 | July 30 | Death | 1970 – Walter Murdoch, Scottish-Australian academic (b. 1874) |
| 86187 | July 30 | Death | 1970 – George Szell, Hungarian-American conductor and composer (b. 1897) |
| 86188 | July 30 | Death | 1975 – James Blish, American author and critic (b. 1921) |
| 86189 | July 30 | Death | 1977 – Emory Holloway, American scholar, author, and educator (b. 1885) |
| 86190 | July 30 | Death | 1983 – Howard Dietz, American songwriter and publicist (b. 1896) |