Military conflicts

• Border War, also referred to as Bleeding Kansas
  Bleeding Kansas
  Bleeding Kansas, Bloody Kansas or the Border War, was a series of violent events, involving anti-slavery Free-Staters and pro-slavery "Border Ruffian" elements, that took place in the Kansas Territory and the western frontier towns of the U.S. state of Missouri roughly between 1854 and 1858...
  
  , a series of violent events, involving Free-Staters and pro-slavery elements
• Border War (1910–1918)
  Border War (1910–1918)
  The Border War, or the Border Campaign, refers to the military engagements which took place in the Mexican-American border region of North America during the Mexican Revolution. The Bandit War in Texas was part of the Border War...
  
  , referring to the conflicts between the United States military and Mexico which took place roughly between 1910 and 1918 along the Mexico – United States border
• South African Border War
  South African Border War
  The South African Border War, commonly referred to as the Angolan Bush War in South Africa, was a conflict that took place from 1966 to 1989 in South-West Africa and Angola between South Africa and its allied forces on the one side and the Angolan government, South-West Africa People's...
  
  , which took place from 1966 to 1989 in South-West Africa

Athletic rivalries

• Border War (Kansas vs Missouri), officially known as the "Border Showdown" after 9/11, the sports rivalry between the University of Kansas and the University of Missouri
• Border War (Colorado State vs. Wyoming), the college football game played between Colorado State University and the University of Wyoming
• New Hampshire–Maine hockey rivalry
  New Hampshire–Maine hockey rivalry
  The New Hampshire–Maine hockey rivalry, sometimes referred to as the Border War, is a men's ice hockey rivalry between the New Hampshire Wildcats and the Maine Black Bears. The proximity of the two states, the success of the two programs, and their history in high profile games have caused one of...
  
  , the men's college ice hockey rivalry
  Sports rivalry
  A sports rivalry is intense competition between athletic teams or athletes. This pressure of competition is felt by players, coaches, and management, but is perhaps felt strongest by the fans. The intensity of the rivalry varies from a friendly competition on one end to serious violence on the...
  
   between the New Hampshire Wildcats
  New Hampshire Wildcats men's ice hockey
  The New Hampshire Wildcats men's ice hockey team is a National Collegiate Athletic Association Division I college ice hockey program that represents the University of New Hampshire. The Wildcats are a member of Hockey East...
  
   and the Maine Black Bears

See also

• List of border wars
• Border War: The Battle Over Illegal Immigration
  Border War: The Battle Over Illegal Immigration
  Border War: The Battle Over Illegal Immigration is a 2006 documentary film, written, produced and directed by Kevin Knoblock. The film tells the stories of five people whose lives have been affected by illegal immigration along the U.S.-Mexico border. They are J.D...
  
  , a 2006 documentary about the U.S.–Mexico border