Individual #Hampton_Roads  a naval battle of the American Civil War (1862); the indecisive battle between the Monitor and the Merrimac
  instance of:  naval_battle
  part of:  American_Civil_War__War_between_the_States  US history: civil war between the North and the South; 1861-1865
     part of:  USA__United_States_of_America__United_States__America__US__U.S.__U.S.A.  North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
        part of:  North_America  a continent (the third largest) in the western hemisphere connected to South America by the Isthmus of Panama
           part of:  northern_hemisphere  the hemisphere north of the equator
           part of:  western_hemisphere__westernhemisphere__occident__New_World  the hemisphere that includes North and South America
           part of:  the_Americas__America  North and South America
  part of:  Hampton_Roads.channel__hamptonroad  a channel in southeastern Virginia through which the Elizabeth River and the James River flow into Chesapeake Bay
     part of:  Virginia__Old_Dominion__Old_Dominion_State__VA  a state in the eastern United States; one of the original 13 colonies; one of the Confederate States in the American Civil War
        part of:  USA__United_States_of_America__United_States__America__US__U.S.__U.S.A.  North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776

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