Aircraft carrier HMS Invincible returning from the Falklands campaign
Topic guide

Falklands War

The sovereignty dispute, diplomacy and seventy-four-day conflict of 1982.

Start here

Overview

The Falklands War followed Argentina's invasion of the Falkland Islands on 2 April 1982. Britain sent a task force more than 8,000 miles from home while diplomacy continued through the United Nations, the United States and regional intermediaries.

The conflict lasted seventy-four days and included naval, air and land combat. It cannot be understood only as a British military success: Argentine conscripts, islanders and competing ideas of sovereignty are central to its history.

Build your understanding

The essential guide

01

The sovereignty dispute

Britain and Argentina had long advanced competing claims. Diplomatic negotiations continued for years, but the Argentine junta chose invasion amid domestic crisis. The decision misjudged the likelihood and scale of a British response.

02

A distant campaign

Carrier aviation, submarines, merchant shipping and improvised logistics sustained the task force. British forces landed at San Carlos and fought across East Falkland. Argentine aircraft posed a serious threat, while British nuclear submarines shaped naval movement.

03

Consequences and memory

Argentine forces surrendered on 14 June. The defeat weakened the junta and helped restore democracy; victory strengthened Margaret Thatcher's government. The sovereignty dispute continues, as do debates about intelligence, veteran welfare and commemoration.

04

Evidence, memory and disputed sovereignty

The war can be studied through cabinet papers, military records, veterans' testimony, journalism and Argentine as well as British sources. Operational accounts need to be read alongside diplomacy and the longer sovereignty dispute.

Historians distinguish the causes of the 1982 invasion from the political consequences of British victory. Memory in the islands, Argentina and the United Kingdom remains different and politically active.

Chronology

Key dates

  1. Argentine invasion

    Argentine forces occupied the Falkland Islands.

  2. South Georgia retaken

    British forces accepted the Argentine surrender on South Georgia.

  3. General Belgrano sunk

    HMS Conqueror sank the Argentine cruiser.

  4. San Carlos landings

    British ground forces began the campaign on East Falkland.

  5. Surrender at Port Stanley

    Organised fighting ended on the islands.

Think like a historian

Questions and debates

Why did deterrence fail before the invasion?

How did distance shape every British military decision?

How have national memories differed since 1982?

Learn in order

Essential stories

Begin with the foundations, then move into the events, people and debates that add detail and complexity.

Test yourself

Available quizzes

Continue learning

Sources and further reading