The Second School War (French: Deuxième guerre scolaire, Dutch: Tweede schoolstrijd) was a political crisis in Belgium over the issue of religion in education...

The Second Chechen War (Russian: Втора́я чече́нская война́, Chechen: ШолгIа оьрсийн-нохчийн тӀом, lit. 'Second Russian-Chechen War') took place in Chechnya...

World War II or the Second World War (1 September 1939 – 2 September 1945) was a global conflict between two coalitions: the Allies and the Axis powers...

The Second Boer War (Afrikaans: Tweede Vryheidsoorlog, lit. 'Second Freedom War', 11 October 1899 – 31 May 1902), also known as the Boer War, Transvaal...

The Second Balkan War was a conflict that broke out when Bulgaria, dissatisfied with its share of the spoils of the First Balkan War, attacked its former...

A Second Cold War, Cold War II, or the New Cold War has been used to describe heightened geopolitical tensions in the 21st century between usually, on...

The Second Congo War, also known as Africa's World War or the Great War of Africa, was a major conflict that began on 2 August 1998 in the Democratic...

The Second Sino-Japanese War was fought between the Republic of China and the Empire of Japan between 1937 and 1945, following a period of war localized...

The Second Italo-Ethiopian War, also referred to as the Second Italo-Abyssinian War, was a war of aggression waged by Italy against Ethiopia, which lasted...

The Second Sudanese Civil War was a conflict from 1983 to 2005 between the central Sudanese government and the Sudan People's Liberation Army. It was...