War in Afghanistan, Afghan war, or Afghan civil war may refer to: * Conquest of Afghanistan by Alexander the Great (330 BC – 327 BC) * Muslim conquests of Afghanistan (637–709) * Conquest of Afghanistan by the Mongol Empire (13th century), see also Mongol invasion of Central Asia (1216–1222) * Mughal conquests in Afghanistan (1526) * Afghan Civil War (1863–1869), a civil war between Sher Ali Khan and Mohammad Afzal Khan's faction after the death of Dost Mohammad Khan * Anglo−Afghan Wars (first involvement of the British Empire in Afghanistan via the British Raj) * First Anglo−Afghan War (1839–1842) * Second Anglo−Afghan War (1878–1880) * Third Anglo−Afghan War (1919) * Panjdeh incident (1885), first major incursion into Afghanistan by the Russian Empire during the Great Game (183