May 4
| 1471 | In England, the Yorkists defeat the Landcastians at the battle of Tewkesbury. | |
| 1626 | Indians sell Manhattan Island for $24 in cloth and buttons. | |
| 1715 | A French manufacturer debuts the first folding umbrella. | |
| 1776 | Rhode Island declares independence from England. | |
| 1795 | Thousands of rioters enter jails in Lyons, France, and massacre 99 Jacobin prisoners. | |
| 1814 | Napoleon Bonaparte disembarks at Portoferraio on the island of Elba in the Mediterranean. | |
| 1863 | The Battle of Chancellorsville ends when Union Army retreats. | |
| 1864 | Union General Ulysses S. Grant's forces cross the Rapidan River and meet Robert E. Lee's Confederate army. | |
| 1927 | A balloon soars over 40,000 feet for the first time. | |
| 1930 | Mahatma Gandhi is arrested by the British. | |
| 1942 | The Battle of the Coral Sea commences. | |
| 1942 | The United States begins food rationing. | |
| 1961 | 13 civil rights activists, dubbed Freedom Riders, begin a bus trip through the South. | |
| 1970 | Ohio National Guardsmen open fire on student protesters at Kent State University, killing four and wounding nine others. | |
| Born on May 4 | ||
| 1796 | Horace Mann, educator and author. | |
| 1820 | Joseph Whitaker, bookseller and publisher (Whitaker's Almanac) | |
| 1825 | Thomas Henry Huxley, British biologist. | |
| 1827 | John Hanning Speke, English explorer. | |
| 1874 | Frank Conrad, electrical engineer and broadcasting pioneer. | |
| 1884 | Agnes Fay Morgan, American nutritionist and biochemist. | |
| 1928 | Thomas Kinsella, Irish poet. | |
| 1929 | Audrey Hepburn (Edda van Heemstra Hepburn-Rusten), actress, later U.N. special ambassador. | |
| 1939 | Amos Oz, Israeli novelist (The Black Box, TheThird State). | |
| 1949 | Graham Swift, British novelist (The Sweet Shop Owner, Out of this World). | |