Birthdays
John Decatur Barry
Turns 21 on this date
William Lewis Dewart
Turns 39 on this date
Henry Moses Judah
Turns 39 on this date
Horatio King
Turns 49 on this date
Robert Briggs Latham
Turns 42 on this date
Joseph Benson Perrie
Turns 29 on this date
James Lester Shipley
Turns 22 on this date
Events
| Science/Technology | A large new comet, visible to the naked eye, is observed all over the northern hemisphere |
06/18/1860 to 06/25/1860 |
| Campaigns/Elections | Democratic National Convention continues in Baltimore locked in debate over credentials and slavery |
06/20/1860 to 06/22/1860 |
| Science/Technology | First day of Summer | 06/21/1860 |
| US/the World | First Japanese diplomatic mission to the United States lavishly entertained in New York City |
06/16/1860 to 06/28/1860 |
| Lawmaking/Litigating | The 36th U.S. Congress is in session in Washington, D.C. |
12/06/1859 to 06/24/1860 |
| Crime/Disasters | U.S. Coast Survey steamship sinks off New Jersey coast with heavy loss of life | 06/21/1860 |
| Battles/Soldiers | William Walker sails from New Orleans for Honduras on his last filibustering expedition | 06/21/1860 |
Documents
| Newspaper | Charlestown (VA) Free Press, “Jeff. Davis on Platforms,” June 21, 1860 | 06/21/1860 |