war / start date / end date / duration
Reconquista 711 1492 781 years and 1 month
Roman-Germanic wars 113 BC 596 708 years
Anglo-French Wars 1109 1815 706 years, 5 months, 2 weeks, and 3 days
Roman-Persian Wars 54 BC 628 681 years
Byzantine-Bulgarian wars 680 1355 675 years
Crusades 1095 1699 604 years
Arab-Byzantine wars 629 1050 421 years
Russo-Ukrainian Wars 1609 Ongoing 412-413 years
Byzantine-Arab wars 780 1180 400 years
Yaqui Wars 1533 1929 396 years
Yemeni-Ottoman conflicts 1538 1911 373 years
Moroccan-Portuguese conflicts 1415 1769 354 years
Russo-Turkish wars 1568 1918 350 years
Arauco War 1536 1883 347 years
Dutch-Scilly Islands wars 30 March 1651 17-Apr-86 335 years, 2 weeks, and 4 days
Spanish-Moro conflict 1565 1898 333 years
Apache-Mexico Wars 1600 1915 315 years
American Indian Wars 1609 1924 315 years
Ottoman-Persian Wars 1514 1823 309 years
Navajo Wars 1600 1866 266 years
Ottoman-Habsburg wars 1526 1791 265 years
Byzantine-Seljuk wars 1048 1308 260 years
Chechen-Russian conflict 1785 2017 232 years
Warring States period 453 BC 223 BC 230 years
Muslim conquests of Afghanistan 642 870 228 years
Byzantine-Ottoman wars 1265 1479 214 years
Polish-Teutonic War 1308 1521 213 years
Roman conquest of the Iberian Peninsula 218 BC 19 BC 199 years
Genoese-Mongol Wars 1280 1478 198 years
Franco-Moroccan conflicts 1765 1958 193 years
Cossack uprisings 1591 1775 184 years
Russo-Persian Wars 1651 1828 177 years
Spanish conquest of Chiapas 1523 1695 172 years
Muscovite-Lithuanian Wars 1368 1537 169 years
Russian conquest of Siberia 1580 1747 167 years
Ottoman-Hungarian wars 1366 1526 160 years
Polish-Swedish wars 1563 1721 158 years
Anglo-Dutch Wars 1652 1810 158 years
Sengoku period 1467 1615 148 years
Spanish conquest of Guatemala 1521 1667 146 years
Australian frontier wars 1788 1934 146 years
Hook and Cod wars 1350 1490 140 years
Mongol invasions and conquests 1206 1337 131 years
Early Muslim conquests 622 750 128 years
Second Hundred Years’ War 1689 1815 126 years
Mughal-Sikh Wars 1635 1753 118 years
Hundred Years’ War 1337 1453 116 years
Russo-Kazan Wars 1438 1552 114 years
Norwegian civil wars 1130 1240 110 years
Xhosa Wars 1779 1889 110 years
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