Conflict | Combatant 1 | Combatant 2 | Results | Casualties |
Dominican War of Independence (1844–1856) | Dominican Republic | Haiti | Victory - Expulsion of Haitian government
- Dominican independence
| unknown |
Dominican Restoration War (1863–1865) | Dominican Republic | Spain | Victory - Restoration of Dominican sovereignty
- Withdrawal of Spanish forces
| |
Six Years' War (1868–1874) | Dominican Conservatives | Dominican Liberals | Liberal Victory | unknown |
First Dominican Civil War (1911–1912) | Dominican Government | Dominican Rebels Supported by: | Rebel Victory | over 3,000 dead |
Second Dominican Civil War (1914) | Dominican Government Supported by: | Dominican Rebels | Government Victory | unknown |
United States occupation of the Dominican Republic (1916–1924) | Dominican Republic | United States | Defeat - Dominican Republic occupied
| 1,137 killed or wounded [2] |
World War II (1941–1945) | United States Soviet Union United Kingdom China France Poland Canada Australia New Zealand India South Africa Yugoslavia Greece Denmark Norway Netherlands Belgium Luxembourg Czechoslovakia Brazil Mexico Panama Costa Rica El Salvador Guatemala Honduras Nicaragua Dominican Republic Cuba | Germany Japan Italy Hungary Romania Bulgaria Croatia Slovakia Finland Thailand Manchukuo Mengjiang | Victory | |
Third Dominican Civil War (1965–1966) | Dominican Loyalists United States Brazil Paraguay Honduras Nicaragua Costa Rica El Salvador | Dominican Constitutionalists | Loyalists Victory | |
Iraq War (2003–2004) | Iraq United States United Kingdom South Korea Italy Poland Australia Georgia Ukraine Netherlands Romania Denmark Spain El Salvador Honduras Nicaragua Dominican Republic | Ba'ath Loyalists ISI al-Qaeda in Iraq Mahdi Army Special Groups IAI Ansar al-Sunnah Ba'athist Iraq | Victory | |