| 113371 | October 4 | Event | 1363 – End of the Battle of Lake Poyang the Chinese rebel forces of Zhu Yuanzhang defeat that of his rival, Chen Youliang, in one of the largest naval battles in history. |
| 113372 | October 4 | Event | 1511 – Formation of the Holy League of Ferdinand II of Aragon, the Papal States and the Republic of Venice against France. |
| 113373 | October 4 | Event | 1535 – The first complete English-language Bible (the Coverdale Bible) is printed, with translations by William Tyndale and Myles Coverdale. |
| 113374 | October 4 | Event | 1582 – Pope Gregory XIII implements the Gregorian calendar. In Italy, Poland, Portugal, and Spain, October 4 of this year is followed directly by October 15. |
| 113375 | October 4 | Event | 1597 – The first Guale uprising begins against the Spanish missions in Georgia. |
| 113376 | October 4 | Event | 1636 – The Swedish Army defeats the armies of Saxony and the Holy Roman Empire at the Battle of Wittstock. |
| 113377 | October 4 | Event | 1693 – Battle of Marsaglia: Piedmontese troops are defeated by the French. |
| 113378 | October 4 | Event | 1725 – Foundation of Rosario in Argentina. |
| 113379 | October 4 | Event | 1777 – Battle of Germantown: Troops under George Washington are repelled by British troops under Sir William Howe. |
| 113380 | October 4 | Event | 1779 – The Fort Wilson Riot takes place. |
| 113381 | October 4 | Event | 1795 – Napoleon Bonaparte first rises to national prominence with a "Whiff of Grapeshot", using cannon to suppress armed counter-revolutionary rioters threatening the French Legislature (National Convention). |
| 113382 | October 4 | Event | 1824 – Mexico adopts a new constitution and becomes a federal republic. |
| 113383 | October 4 | Event | 1830 – Creation of the Kingdom of Belgium after separation from the Netherlands. |
| 113384 | October 4 | Event | 1853 – Crimean War: The Ottoman Empire declares war on Russia. |
| 113385 | October 4 | Event | 1876 – Texas A&M University opens as the Agricultural and Mechanical College of Texas, becoming the first public institution of higher education in Texas. |
| 113386 | October 4 | Event | 1883 – First run of the Orient Express. |
| 113387 | October 4 | Event | 1883 – First meeting of the Boys' Brigade in Glasgow, Scotland. |
| 113388 | October 4 | Event | 1895 – The first U.S. Open Men's Golf Championship administered by the United States Golf Association is played at the Newport Country Club in Newport, Rhode Island. |
| 113389 | October 4 | Event | 1917 – World War I: The Battle of Broodseinde fought between the British and German armies in Flanders. |
| 113390 | October 4 | Event | 1918 – An explosion kills more than 100 and destroys the T.A. Gillespie Company Shell Loading Plant in Sayreville, New Jersey. Fires and explosions continue for three days forcing massive evacuations and spreading ordnance over a wide area, pieces of whic |
| 113391 | October 4 | Event | 1927 – Gutzon Borglum begins sculpting Mount Rushmore. |
| 113392 | October 4 | Event | 1936 – In the East End of London, marches staged by British fascists and various anti-fascist organizations result in violent clashes between them in what becomes known as the Battle of Cable Street. |
| 113393 | October 4 | Event | 1940 – Meeting between Adolf Hitler and Benito Mussolini at the Brenner Pass. |
| 113394 | October 4 | Event | 1941 – Norman Rockwell's Willie Gillis character debuts on the cover of The Saturday Evening Post. |
| 113395 | October 4 | Event | 1943 – World War II: U.S. captures the Solomon Islands from the Japanese. |
| 113396 | October 4 | Event | 1957 – Space Race: Launch of Sputnik 1, the first artificial satellite to orbit the Earth. |
| 113397 | October 4 | Event | 1957 – Avro Arrow roll-out ceremony at Avro Canada plant in Malton, Ontario. |
| 113398 | October 4 | Event | 1957 – Leave It to Beaver premieres on CBS. |
| 113399 | October 4 | Event | 1958 – Fifth Republic of France is established. |
| 113400 | October 4 | Event | 1960 – Eastern Air Lines Flight 375, a Lockheed L-188 Electra, crashes after a bird strike on takeoff from Boston's Logan International Airport, killing 62 of 72 on board. |