List of wars and battles in the 21st century
Battles that cannot be clearly assigned to specific wars are highlighted in gray.
21st century
| since 2001 | Afghan war |
major combat operations from October 7 to December 17, 2001 |
| 2001, December 12th to 17th | Battle of Tora Bora , Al-Qaeda expelled from Afghanistan | |
| 2002, March 1st to 18th | Operation Anaconda , US, British, Canadian and German special forces military operation | |
| 2006, September 2nd to 17th | Operation Medusa , NATO offensive against the Taliban | |
| 2002-2007 | Civil War in Ivory Coast | |
| 2003 | Iraq war |
major combat operations from March 20 to May 1, 2003 |
| 2003, March 21-25 | Battle of Umm Qasr , first target of the war | |
| 2003, April 3rd to 9th | Battle of Baghdad , fall of the Saddam Hussein government | |
| 2004, April 4-9 | Operation Vigilant Resolve , attempted to retake Fallujah | |
| 2004, November 8th to 18th | Operation Phantom Fury , expulsion of Abu Musab al-Zarqawi from Fallujah | |
| 2004, November 3rd to December 2nd | Operation Plymouth Rock , major attack on Iraqi rebel strongholds in Babil | |
| 2006, March 16-22 | Operation Swarmer , largest air offensive since the official end of the war in response to ongoing violence in the Harmein Mountains | |
| 2007, February 14th to November 24th | Operation Imposing Law , coalition forces and Iraqi security forces attempt to free Baghdad from insurgents | |
| 2007, March 13th to September 1st | Battle of Baquba , coalition troops attack Baquba and the surrounding area | |
| 2004-2010 | Houthi conflict | Civil War in Yemen |
| 2005-2010 | Civil War in Chad | |
| 2006 | Lebanon War | Combat operations from July 12 to September 8, 2006 |
| since 2006 | Mexico drug war | Domestic war among members of the drug cartels |
| 2007 | Civil War in Sri Lanka | major combat operations from January 1 to December 23, 2007 |
| 2008 | Caucasus War | Combat operations from August 7 to August 16, 2008 |
| 2008, August 8th to 9th | Battle of Tskhinvali , capital of breakaway South Ossetia, is occupied by Georgian troops and recaptured by Russian troops | |
| since 2010 | Al Qaeda in Yemen | On January 14, 2010, Yemen declared open war on the terrorist organization al-Qaeda, which operates in the country. |
| 2011 | Civil War in Libya | major combat operations from February 15 to October 23, 2011 |
| since 2011 | civil war in Syria | |
| since 2012 | War in Mali | On January 11, 2013, French troops marched into Mali to fight the Islamist troops. |
| since 2014 | Civil war in Libya since 2014 | |
| since 2014 | War in Ukraine since 2014 |