First War may refer to:
Prehistoric warfare World War I (1914–1918)
Other wars
First Anglo-Afghan War First Anglo-Burmese War First Anglo-Dutch War First Anglo-Maratha War First Anglo-Mysore War First Anglo-Sikh war First Balkan War First Barbary War First Barons' War First Boer War First Carlist War First Celtiberian War First Chechen War First Congo War Trajan's First Dacian War First Franco-Dahomean War First Egyptian-Ottoman War First Goryeo–Khitan War First Indochina War First Italian War of Independence First Italo-Ethiopian War First Jewish–Roman War First Macedonian War First Margrave War First Maroon War First Matabele War First Messenian War First Mithridatic War First Northern War First Opium War First Peloponnesian War First Perso-Turkic war First Punic War First Sacred War First Schleswig War First Servile War First Sino-Japanese War First Syrian War First Taranaki War First War against Napoleon First War of Kappel First War of Scottish Independence First Zhili–Fengtian War
Music First War of the World, a 2009 album by Black Messiah
See also
First Civil War (disambiguation)