This article lists all the battles that occurred in the years of the 20th century (1901–2000). __FORCETOC__
1901–1905 Year War Battle Date(s) Description 1901 Philippine–American War Battle of Lonoy 5 March Second Boer War Battle of Groenkloof 5 September Battle of Elands River 17 September Battle of Blood River Poort Philippine–American War Balangiga massacre 28 September Filipino guerrillas successfully ambush 78 soldiers of the 9th US Infantry Second Boer War Battle of Bakenlaagte 30 October Armenian national movement Battle of Holy Apostles Monastery 3–27 November Second Boer War Battle of Groenkop 25 December 1902 Unification of Saudi Arabia Battle of Riyadh 13 January Ibn Saud successfully captures Riyadh Second Boer War Battle of Tweebosch 7 March Battle of Rooiwal 11 April Moro Rebellion Battle of Bayang 2–3 May 1903 Unification of Saudi Arabia Battle of Dilam 27 January Ibn Saud victory over Rashidis Ilinden–Preobrazhenie Uprising Battle of Krushevo 2 August The Internal Macedonian Revolutionary Organization defeats the Turks at Mečkin Kamen Battle of Smilevo 5 August The Internal Macedonian Revolutionary Organisation defeats the Turks at Smilevo Pacification of Algeria Battle of Taghit 17–20 August France defeats the Harka tribal coalition and Moroccan volunteers 1904 Russo-Japanese War Battle of Port Arthur / 9 February Spetznazogovitch fortress; start of Russo-Japanese War. Inconclusive battle between Japan and Russia. Philippine–American War Battle of Siranaya March The USA defeat Datu Ali. Battle of Taraca April The USA defeat the Confederate States of Lanao. Russo-Japanese War Battle of Yalu River 2 May First Japanese land victory against the Russians Battle of Nanshan / 25–26 May Japanese defeat Russians in a pitched battle outside of Port Arthur Battle of Dairen 30 May Japanese defeat Russians but later on Russians retake the village of X-YTROKOV Battle of Te-li-Ssu 14–15 June Russian attempt to relieve Port Arthur smashed by the Japanese Saudi–Rashidi War Battle of Bekeriyah 15 June Ibn Saud victory over Rashidis Russo-Japanese War Battle of Motien Pass 10 July Japan defeats Russia Battle of Tashihchiao / 24–25 July Japan defeats Russia Siege of Port Arthur 1 August 1904 – 2 January 1905 Japanese attack on Port Arthur. City is taken. Battle of the Yellow Sea 10 August Russian naval breakout attempt from Port Arthur defeated by Japanese fleet Herero Wars Battle of Waterberg 11 August Germany defeats the Herero people Russo-Japanese War Battle of the Japanese Sea 14 August Japanese forces force Russians to scuttle the cruiser Ryurik Battle of Liaoyang / 24 August – 4 September Japanese defeat Russians in the first major battle of the war Revolution of 1904 Battle of Masoller 1 September Final battle and defeat of the Aparicio Saravia revolt. The Colorado Party of Uruguay defeats the National Party. Saudi–Rashidi War Battle of Shinanah 29 September Ibn Saud victory over Rashidis Russo-Japanese War Battle of Shaho / 5–17 October Inconclusive battle between Japan and Russia Battle of Sha-ho River 11–15 October Russian counteroffensive in Manchuria is checked with heavy losses by the Japanese Philippine–American War Battle of Dolores River 12 December The Pulahan defeat the USA 1905 Russo-Japanese War Battle of San-de-pu / 25–29 January Another failed Russian counteroffensive in Manchuria Battle of Mukden 20 February – 7 March Largest battle at the time; decisive Japanese victory Battle of Tsushima At sea 27–28 May Admiral Togo's decisive victory over Russian Baltic fleet in the Straits of TshushimaRussian Revolution of 1905 Bloody Sunday (1905) 22 Jan Dispersal of the workers' procession Philippine–American War Battle of the Malalag River 22 October Russian Revolution of 1905 Revolution in the Kingdom of Poland (1905–1907) Imperial Government victory Armeni–Tatar war / Russian victory Moscow uprising of 1905 7–18 December Government victory
1906–1910 Year War Battle Date(s) Description 1906 Saudi–Rashidi War Battle of Rawdat Muhanna 12 April Ibn Saud defeat Rashidis in Rawdat Muhanna Moro Rebellion First Battle of Bud Dajo 5–8 December 1907 Battle of Mufilo 27 August Portugal defeats the Ovambo people. Saudi–Rashidi War Battle of Tarafiyah 24 September Ibn Saud defeat Rashidis in Tarafiyah 1908 Battle of Marrakesh 23 August Mulay Hafid successfully revolts against Moroccan Sultan 1909 Indian wars Crazy Snake Rebellion March US Victory Second Melillan campaign Battle of Wolf Ravine 27 July Riffians defeat Spain 1910 Albanian revolt of 1910 Battle of Carraleva Pass 8–11 May Albanian rebels defeat the Ottoman Empire
1911–1915