Birthdays
Edwin Coppoc
Turns 23 on this date
Frederick Ferdinand Low
Turns 30 on this date
George W. Smith Jr.
Turns 24 on this date
William Almon Wheeler
Turns 39 on this date
Events
| Cultural | Joseph Heco becomes the first Japanese born citizen of the United States | 06/30/1858 |
| Campaigns/Elections | Lincoln-Douglas campaign lasts from mid-June 1858 until January 1859 |
06/16/1858 to 01/05/1859 |
Documents
| Newspaper | New York Times, "Quarantine Affairs," June 30, 1858 | 06/30/1858 |