Birthdays
Edwin Coppoc
Turns 24 on this date
Frederick Ferdinand Low
Turns 31 on this date
George W. Smith Jr.
Turns 25 on this date
William Almon Wheeler
Turns 40 on this date
Events
| Education/Culture | Blondin crosses Niagara Falls on a tightrope for the first time | 06/30/1859 |
| Business/Industry | The U.S. Post Office reports another record deficit for the year ending June 30, 1859 | 06/30/1859 |
| Crime/Disasters | Weeks of dangerously high temperatures prevail in central California |
06/20/1859 to 07/01/1859 |
Documents
| Newspaper | New York Times, “Douglas and Van Buren,” June 30, 1859 | 06/30/1859 |