
ClassCanonicus class
NavyUnited States Navy
CountryUnited States
What is known about this ship
Canonicus-class monitor that saw Civil War combat.
Service history
Manhattan fought at Mobile Bay and later carried a temporary mythological name during the 1869 monitor-renaming program.
Class context: Canonicus class
The Canonicus class was a larger single-turret monitor design developed from Civil War experience with the earlier Passaic type. Nine ships were completed, mounting a pair of 15-inch Dahlgren guns in one armored turret.
Class relationship
This ship is recorded as a member of Canonicus class. Shared design history belongs on the class page; this page concentrates on the individual hull where evidence is available.
Sources and further reading
- Manhattan I (Monitor) ↗Naval History and Heritage Command · accessed 2026-09-18
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