Birthdays
Amy Morris Bradley
Turns 37 on this date
Andrew Hull Foote
Turns 54 on this date
Samuel Ford
Turns 28 on this date
Richard Jordan Gatling
Turns 42 on this date
Henry William Harrington
Turns 35 on this date
Abraham Jonas
Turns 59 on this date
Samuel Joseph May
Turns 63 on this date
William Sprague IV
Turns 30 on this date
Charles William Super
Turns 18 on this date
Events
| Business/Industry | American filibuster William Walker is executed in Honduras | 09/12/1860 |
| Campaigns/Elections | In New York City, a massive Douglas Democrat campaign barbecue draws tens of thousands | 09/12/1860 |
| Education/Culture | The American Pomological Society holds its sixth national meeting in Philadelphia |
09/11/1860 to 09/13/1860 |
| Business/Industry | The eighth annual United States Agricultural Society Fair opens in Cincinnati, Ohio | 09/12/1860 |
| US/the World | The Prince of Wales' tour moves on to Toronto, capital of Upper Canada |
09/07/1860 to 09/12/1860 |
Documents
| Newspaper | New York Times, “Used Up,” September 12, 1860 | 09/12/1860 |