| 46 | BC | Day 4 of Caesar's Triumph, for the defeat of Numidia |
| 0 | | Feast of St. Olaf II Haraldsson, Martyr, King of Norway, Patron of Norway and of the Faroe Islands |
| 615 | | 12-year old K'inich Janaab Pakal I became Divine Lord of Palenque, to rule for 68 years |
| 1014 | | following the Battle of Cledon/Clidium/Kleidion/Bala Thistau/Belasitsa, Byzantine Emperor Basil II blinded 15,000 Bulgar prisoners and sent them home |
| 1030 | | Battle of Stiklestad: Norwegian Christians triumph over pagans, in a fight punctuated by a solar eclipse |
| 1108 | | Louis VI "the Fat" or "the Great" acceded to the throne of France (1108-1137) -- Learn More |
| 1187 | | Saladin captures Sidon |
| 1364 | | Battle of Cascina: The Florentines under Galeotto Malatesta defeat the Pisans under John Hawkwood |
| 1693 | | Battle of Neerwinden: The French defeat the English & Dutch |
| 1813 | | Battle of Sorauren, Day 2: Anglo-Spanish v. the French (ends 30th) |
| 1846 | | Landing party off USS 'Cyane' captures San Diego |
| 1874 | | Maj. Walter Copton Wingfield patents a portable tennis court |
| 1910 | | White racists in Slocum, Texas, began several days of attacks on African Americans, scores died as blacks are driven from the town |
| 1915 | | A briefcase with German sabotage plans is found on the IRT subway in NYC |
| 1918 | | First meeting between FDR & Winston Churchill, Gray's Inn, London |
| 1937 | | China Incident: Japanese troops occupy Peking & Tientsin |
| 1942 | | Buna: Japanese land reinforcements, despite losses to Allied a/c |
| 1942 | | Japanese retake Kokoda from the Australians, who fall back on Deniki |
| 1943 | | New Guinea: 43rd Div Cdr relieved, as his troops press on slowly. |
| 1944 | | Marines take Orote airstrip on Guam against fierce Japanese resistance |
| 1945 | | U.S. warships shell naval and air bases on Honshu. |
| 1949 | | Berlin Airlift ends, as Soviets end blockade |
| 1953 | | Soviets shoot down US patrol bomber northeast of Vladivostok |
| 1967 | | Fire aboard USS 'Forrestal' (CV-59), Gulf of Tonkin, 134 die |
| 1975 | | Military coup ousts Nigerian President/Dictaor Yakubu Gowon (1966-1975) |
| 1166 | | Henry II, Count of Champagne (1181-1197), Crusader, King Henri I of Jerusalem (1192-1197), d. 1197 |
| 1765 | | Jean-Baptiste Drouet, Napoleonic general, Royalist marshal, d. 1844 -- Learn More |
| 1805 | | Alexis Henri Charles Clérel, vicomte de Tocqueville, historian and political thinker ("Democracy in America"), d. 1859 |
| 1817 | | James Blair Steedman, Maj Gen, U.S., d. 1883 |
| 1830 | | Alvan Cullem Gillem, Maj Gen, U.S., d. 1875 |
| 1883 | | Benito Mussolini, journalist, soldier, politician, Prime Minister/Dictator of Italy (1922-1945), k. 1945 - Learn More |
| 1905 | | Dag Hammerskjold, Secretary General (1953-1961), Peace Nobelist (1961) |
| 1958 | | The National Aeronautics and Space Administration |
| 238 | | Roman Co-Emperors Marcus Clodius Pupienus Maximus (c. 60) & Decimus Caelius Calvinus Balbinus (c. 72) (Apr 22-July 29, 238), hacked to pieces in the Castra Praetoria -- Learn More |
| 796 | | King Offa of Mercia (r. 757-796), c. 70 - Learn More |
| 1030 | | St. Olaf II Haraldsson, 35, erstwhile King of Norway (1015-1028), kia Stiklestad |
| 1095 | | St. Ladislaus I, King of Hungary (1077-1095), c. 55 |
| 1099 | | Pope Bl Urban II - Odo of Lagery (1088-1099), c. 57, shortly after initiating the First Crusade |
| 1108 | | King Philip I "the Amorous" of the Franks (1060- 1108), c. 56 |
| 1644 | | Pope Urban VIII - Maffeo Barberini (1623-1644), 76 |
| 1857 | | Prince Charles Bonaparte of Canino, at 54 |
| 1900 | | King Umberto I of Italy (1878-1900), 56, assassinated by Gaetano Bresci |
| 2011 | | John Cullen, 90, former Coastguardsman who caught the Nazi saboteurs on a Long Island beach in 1942 |
| 2015 | | Fr. Paul Prucha, 94, Jesuit, military historian ("The Sword of the Republic: The United States Army on the Frontier, 1783-1846," etc.) |