Battles on 17 August

16 battles fought (or begun) on 17 August, from 1648 to 1944, in date order. Dates are from Wikidata and are shown only for battles from 1600 onwards with a single exact date. Dates recorded in the Julian (Old Style) calendar are listed under their Julian day and marked.

Which battles happened on 17 August?

The best-known battles on this day (by number of Wikipedia language editions) are Battle of Stallupönen (1914), First Battle of Polotsk (1812), Battle off Horaniu (1943).

• Battle of Preston (1648) 17 August 1648 – 19 August 1648England · Second English Civil War
• Battle of Halmstad 17 August 1676Sweden · Scanian War
• Siege of Alexandria (1801) 17 August 1801 – 2 September 1801Egypt · French Revolutionary Wars
• Battle of Alavus 17 August 1808Finland · Finnish War
• Battle of Roliça 17 August 1808Portugal · Peninsular War
• First Battle of Polotsk 17 August 1812 – 18 August 1812Belarus · French invasion of Russia
• Battle of Aragua de Barcelona 17 August 1814Venezuela
• Battle of Gainesville 17 August 1864United States · American Civil War
• Battle of Yatay 17 August 1865Argentina · Paraguayan War
• Battle of Stallupönen 17 August 1914Russia · WWI Eastern Front
• Battle of Florina 17 August 1916 – 28 August 1916Greece · Macedonian Front
• Struma operation 17 August 1916 – 23 August 1916Greece · Macedonian Front
• Eleventh Battle of the Isonzo 17 August 1917 – 31 August 1917Slovenia · World War I
• Battle of Zadwórze 17 August 1920Ukraine · Polish–Soviet War
• Battle off Horaniu 17 August 1943 – 18 August 1943Solomon Islands · Pacific War
• Action off La Ciotat 17 August 1944France · Battle of the Mediterranean