| Y/M/D | Description | Place |
|---|---|---|
| 1857/00/00 | Loring opens the City Point Works at the House of Industry estate, seven acres of upland and a million feet of flats in South Boston. Loring tells the city he plans to build iron ship for not less than five years, and to employ not less than 300 workmen. | |
| 1861/10/25 | Designed by engineer John Ericsson, the keel of the USS MONITOR is laid down at the Continental Iron Works (lost) on West and Calyer Streets in Greenpoint, Brooklyn. | Greenpoint Historic District, New York City |
| 1862/02/25 | USS MONITOR becomes the first ironclad ship to be commissioned into service by the United States Navy. | Monitor National Marine Sanctuary, |
| 1862/03/10 | Although the CSS VIRGINIA and the USS MONITOR had fought to a standstill, both the Confederate and Union media claim victory for their own sides. "The Merrimac Driven back by the Steamer!" - headline in Boston newspaper | Monitor-Merrimac Overlook Park, Hampton |
| 1862/10/07 | The USS NAHANT, the first iron warship built in New England, is launched from the City Point Works in South Boston (lost). | |
| 1863/01/27 | Union ironclad, Passaic-class monitor, MONTAUK, attacks Fort McAllister with 11-inch and 15-inch Dahlgren cannons. They will bombard the fort for 5 hours but cause little damage and no casualties. | Fort McAllister, Richmond Hill |
| 1863/03/03 | Adm Du Pont orders three ironclads - USS PATAPSCO, PASSAIC and NAHANT - to attack Fort McAllister. The bombardment will last eight hours. | Fort McAllister, Richmond Hill |
| 1863/08/01 | Laid down in 1862, the CANONICUS is launched from the City Point Works in South Boston (lost). | |
| 1864/12/15 | The USS CANONICUS bombards Fort Fisher in North Carolina. | Fort Fisher, Kure Beach |
| 1902/00/00 | The Loring family, especially sons Harrison Jr, Atherton and Robert, file claims against the US Navy totaling over $170,000, for money owned in the construction of the USS CANONICUS in 1863. | |
| 1910/00/00 | After years of testimony and legal investigation, the Loring family claims against the US Navy for money owned in the construction of the USS CANONICUS have still not been resolved. |
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