Birthdays
John Adams
Turns 35 on this date
Cornelius Fletcher Barnes
Turns 21 on this date
John Milton Brannan
Turns 41 on this date
Brutus Junius Clay
Turns 52 on this date
Josiah Gorgas
Turns 42 on this date
Ernest Dudley Martin
Turns 17 on this date
Solomon Northup
Turns 52 on this date
Henry Reed Rathbone
Turns 23 on this date
Events
| Personal | Charles Goodyear dies a poor man in New York City | 07/01/1860 |
| Religion/Philosophy | Discussing Italian current affairs, Archbishop Hughes of New York defends the Pope and the Papal States | 07/01/1860 |
| Science/Technology | The giant steamship "Great Eastern" causes a sensation on the New York Docks | 07/01/1860 |
Documents
| Letter | James O. Putnam to Leonard Swett, copied in Swett to Abraham Lincoln, July 1860 | 07/01/1860 |
| Newspaper | New York Herald, “The California Mails,” July 1, 1860 | 07/01/1860 |