| 81751 | July 19 | Event | 1976 – Sagarmatha National Park in Nepal is created. |
| 81752 | July 19 | Event | 1979 – The Sandinista rebels overthrow the government of the Somoza family in Nicaragua. |
| 81753 | July 19 | Event | 1980 – The 1980 Summer Olympics, officially known as the Games of the XXII Olympiad, were opened in Moscow, Russia. |
| 81754 | July 19 | Event | 1981 – In a private meeting with U.S. President Ronald Reagan, French Prime Minister François Mitterrand reveals the existence of the Farewell Dossier, a collection of documents showing that the Soviets had been stealing American technological research an |
| 81755 | July 19 | Event | 1983 – The first three-dimensional reconstruction of a human head in a CT is published. |
| 81756 | July 19 | Event | 1985 – The Val di Stava dam collapses killing 268 people in Val di Stava, Italy. |
| 81757 | July 19 | Event | 1989 – United Airlines Flight 232 crashes in Sioux City, Iowa killing 111. |
| 81758 | July 19 | Event | 1992 – A car bomb placed by mafia with collaboration of Italian intelligence kills Judge Paolo Borsellino and five members of his escort |
| 81759 | July 19 | Event | 1997 – The Troubles: The Provisional Irish Republican Army resumes a ceasefire to end their 25-year campaign to end British rule in Northern Ireland. |
| 81760 | July 19 | Event | 2014 – Gunmen in Egypt's western desert province of New Valley Governorate attack a military checkpoint, killing at least 21 soldiers. Egypt reportedly declares a state of emergency on its border with Sudan. |
| 81761 | July 19 | Birth | 810 – Muhammad al-Bukhari, Persian scholar (d. 870) |
| 81762 | July 19 | Birth | 1670 – Richard Leveridge, English singer-songwriter (d. 1758) |
| 81763 | July 19 | Birth | 1688 – Giuseppe Castiglione, Italian missionary and painter (d. 1766) |
| 81764 | July 19 | Birth | 1744 – Heinrich Christian Boie, German author and poet (d. 1806) |
| 81765 | July 19 | Birth | 1759 – Marianna Auenbrugger, Austrian pianist and composer (d. 1782) |
| 81766 | July 19 | Birth | 1759 – Seraphim of Sarov, Russian monk and saint (d. 1833) |
| 81767 | July 19 | Birth | 1771 – Thomas Talbot, Irish-Canadian colonel and politician (d. 1853) |
| 81768 | July 19 | Birth | 1789 – John Martin, English painter, engraver, and illustrator (d. 1854) |
| 81769 | July 19 | Birth | 1800 – Juan José Flores, Venezuelan general and politician, 1st President of Ecuador (d. 1864) |
| 81770 | July 19 | Birth | 1814 – Samuel Colt, American businessman, founded the Colt's Manufacturing Company (d. 1862) |
| 81771 | July 19 | Birth | 1819 – Gottfried Keller, Swiss author, poet, and playwright (d. 1890) |
| 81772 | July 19 | Birth | 1822 – Princess Augusta of Cambridge (d. 1916) |
| 81773 | July 19 | Birth | 1827 – Mangal Pandey, Indian soldier (d. 1857) |
| 81774 | July 19 | Birth | 1834 – Edgar Degas, French painter, sculptor, and illustrator (d. 1917) |
| 81775 | July 19 | Birth | 1849 – Ferdinand Brunetière, French scholar and critic (d. 1906) |
| 81776 | July 19 | Birth | 1860 – Lizzie Borden, American accused murderer (d. 1927) |
| 81777 | July 19 | Birth | 1865 – Georges Friedel, French mineralogist and crystallographer (d.1933) |
| 81778 | July 19 | Birth | 1865 – Charles Horace Mayo, American surgeon, founded the Mayo Clinic (d. 1939) |
| 81779 | July 19 | Birth | 1868 – Florence Foster Jenkins, American soprano and educator (d. 1945) |
| 81780 | July 19 | Birth | 1869 – Xenophon Stratigos, Greek general and politician, Greek Minister of Transport (d. 1927) |