| 1315 | | Swiss soldiers ambush and slaughter invading Austrians in the battle of Morgarten. |
| 1533 | | The explorer Francisco Pizarro enters Cuzco, Peru. |
| 1626 | |
The Pilgrim Fathers, who have settled in New Plymouth,
buy out their London investors. |
| 1777 | | The Articles of Confederation, instituting perpetual union of the United States of America, are adopted by Congress. |
| 1805 | | Meriwether Lewis, William Clark and their party reach the mouth of the Columbia River, completing their trek to the Pacific. |
| 1806 | | Explorer Zebulon Pike discovers the Colorado Peak that bears his name, despite the fact that he didn't climb it. |
| 1864 | | Union Major General William T. Sherman's troops set fires that destroy much of Atlanta. |
| 1881 | | The American Federation of Labor is founded. |
| 1909 | | M. Metrot takes off in a Voisin biplane from Algiers, making the first manned flight in Africa. |
| 1917 | | Kerensky flees and Bolsheviks take command in Moscow. |
| 1920 | |
Forty-one nations open the first League of Nations
session in Geneva.. |
| 1922 | | It is announced that Dr. Alexis Carrel has discovered white corpuscles. |
| 1930 | | General strikes and riots paralyze Madrid, Spain. |
| 1937 | | Eighteen lawsuits are brought against the Tennessee Valley Authority, calling for its dissolution. |
| 1942 | |
An American fleet defeats a Japanese naval force
in a clash off Guadalcanal. |
| 1946 | | The 17th Paris Air Show opens at the Grand Palais des Champs-Elysees. It is the first show of this kind since World War II. |
| 1952 | | Newark Airport in New Jersey reopens after closing earlier in the year because of an increase in accidents. |
| 1957 | | Soviet Premier Nikita Khrushchev asserts Soviet superiority in missiles, challenging the United States to a rocket-range shooting match. |
| 1960 | | The first submarine with nuclear missiles, USS George Washington, takes to sea from Charleston, South Carolina. |
| 1962 | | Cuba threatens to down U.S. planes on reconnaissance flights over its territory. |
| 1963 | | Argentina voids all foreign oil contracts. |
| 1965 | |
In the second day of combat, regiments of the 1st
Cavalry Division battle on Landing Zones X-Ray against North Vietnamese forces
in the Ia Drang Valley. |
| 1969 | | A quarter of a million anti-Vietnam War demonstrators march in Washington, D.C. |
| 1976 | | A Syrian peace force takes control of Beirut, Lebanon. |
| 1984 | | Baby Fae dies 20 days after receiving a baboon heart transplant in Loma Linda, California. |
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