| 326 | | Emperor Constantine refuses to carry out traditional pagan sacrifices. |
| 1394 | | Charles VI of France issues a decree for the general expulsion of Jews from France. |
| 1564 | | Maximillian II becomes emperor of the Holy Roman Empire. |
| 1587 | | Hideyoshi bans Christianity in Japan and orders all Christians to leave. |
| 1759 | | British forces defeat a French army at Fort Niagara in Canada. |
| 1799 | | On his way back from Syria, Napoleon Bonaparte defeats the Ottomans at Aboukir, Egypt. |
| 1814 | | British and American forces fight each other to a standoff at Lundy's Lane, Canada. |
| 1845 | | China grants Belgium equal trading rights with Britain, France and the United States. |
| 1867 | | President Andrew Johnson signs an act creating the territory of Wyoming. |
| 1850 | | Gold is discovered in the Rogue River in Oregon, extending the quest for gold up the Pacific coast. |
| 1861 | | The Crittenden Resolution, calling for the American Civil War to be fought to preserve the Union and not for slavery, is passed by Congress. |
| 1894 | | Japanese forces sink the British steamer Kowshing which was bringing Chinese reinforcements to Korea. |
| 1909 | | French aviator Louis Bleriot becomes the first man to fly across the English Channel in an airplane. |
| 1914 | | Russia declares that it will act to protect Serbian sovereignty. |
| 1924 | | Greece announces the deportation of 50,000 Armenians. |
| 1934 | | Austrian chancellor Engelbert Dollfuss is shot and killed by Nazis. |
| 1941 | | The U.S. government freezes Japanese and Chinese assets. |
| 1943 | | Italian Fascist dictator Benito Mussolini is overthrown in a coup. |
| 1944 | | Allied forces begin the breakthrough of German lines in Normandy. |
| 1978 | | The first test-tube baby, Louis Brown, is born in Oldham, England. |
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