1) Before 1861 2) Before 1941 3) Before the war 4) Nonmodern 5) Of the period before 1861 6) Period before a war 7) Pre-Civil War 8) Pre-lincoln 9) Prewar 10) Roman relative 11) Up until the 1860s 1) Nonmodern 2) Prewar 
describes a building and/or period of time prior to the Civil War, such as an antebellum mansion on a cotton plantation in the southern US
In US usage, an adjective referring to the period just before the Civil War (1861-65). The term `prewar` is used when describing the period before any other war. ...
[adj] - belonging to a period before a war especially the American Civil War
ante bellum, antebellum Before the war. Specifically, in the United States, before the 'Civil War' or before 'The War between the States'.
adjective belonging to a period before a war especially the American Civil War
before or existing before the war, esp. the American Civil War.