War 1978–present Afghan Civil War Americas and Europe 1607–1890 Kingdom of England, and United States, versus Native Americans 1689–1763 French and Indian Wars 1754–1814 Sixty Years' War 1860-1877 American Civil War and Reconstruction Era (re-admitting States to the Union) Europe 58 BC – 50 BC Gallic Wars 1142–1445 Swedish–Novgorodian Wars 1296–1363 Wars of Scottish Independence 1135–1453 Wars between the kingdom of England and the French 1337–1453 Hundred Years' War 1438–1552 Russo-Kazan Wars 1455–1485 Wars of the Roses 1494–1559 Italian Wars 1496–1809 Russo-Swedish wars 1507–1572 Russo-Crimean Wars 1562–1598 French Wars of Religion 1637–1652 Wars of the Three Kingdoms (Europe) 1648–1667 The Deluge 1754–1763 Seven Years' War 1792–1802 French Revolutionary Wars 1848–1866 Italian Independence wars 1912–1913 Balkan Wars 1941–1944 Continuation War (Finland-USSR) 1941–1945 Great Patriotic War 1991–2001 Yugoslav Wars World Wars 1914–1918 World War I 1939–1945 World War II 1947–1991 Cold War 2001–2021 War on Terror Military conflicts spanning multiple wars