This article provides a list of articles which contain lists of wars and conflicts. There are various sets of such lists, based upon different criteria for grouping individual wars, as shown below. Lists based on specific historical criteria Lists based on time period Below is a set of articles which each provide a list of wars within a specific time period, each covering at least several decades or more. List of wars: before 1000 List of wars: 1000–1499 List of wars: 1500–1799 List of wars: 1800–1899 List of wars: 1900–1944 List of wars: 1945–1989 List of wars: 1990–2002 List of wars: 2003–2019 List of wars: 2020–Present List of ongoing armed conflicts List of wars by duration Lists by region List of conflicts in North America List of conflicts in the United States...