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- Battle of Wagram - 1809 - Napoleonic Empire Wars
- Battle of Wakefield - 1460 - Wars of the Roses
- Battle of Warsaw (1656), during the Northern Wars
- Battle of Warsaw (1831), during the Polish revolt against Russia
- Battle of Vistula River-Warsaw, during World War I
- Battle of Warsaw (1920), during the Polish-Soviet War
- Battle of Warsaw (1939), at the outset of World War II
- Battle of Warsaw (1944), near the end of World War II
- Battle of Washita River - 1868 - the Indian Wars
- Battle of Waterloo - 1815 - War of the Seventh Coalition
- Battle of Wattignies (1793) - Wars of the French Revolution
- Battle of Wavre - 1815 - War of the Seventh Coalition
- Battle of Wayna Daga - 1543 - Moslem Wars in Ethiopia
- Battle of Werben - 1631 - Thirty Years' War
- Defence of Westerplatte - 1939 - World War II
- Battle of White Mountain - 1620 - Thirty Years' War
- Battle of Wiesloch - 1622 - Thirty Years' War
- Battle of the Wilderness - 1864 - American Civil War
- Battle of Wimpfen - 1622 - Thirty Years' War
- Battle of Wittstock - 1636 - Thirty Years' War
- Battle of Woerth (1793) - Wars of the French Revolution
- Battle of Wogastisburg - 631
- Battle of Wolgast - 1628 - Thirty Years' War
- Battle of Worcester - 1651 - English Civil War
- Battle of Worringen - 1288 - Cologne's revolt against church rule
- Battle of Wounded Knee - 1890 - Sioux Wars
- Battle of Wuzhang Plains - 234 - Fought between Shu Han and Cao Wei during the Three Kingdoms period of China
Read more about this topic: List Of Battles (alphabetical)