Timeline: Guinea-Bissau

1. 1963 · Conflict episode

   Guinea-Bissau War of Independence begins, 1963

   The PAIGC began an armed insurgency against Portuguese colonial rule in 1963, a war that lasted until the 1974 Algiers Accord.

   Significance here: The armed struggle that led to the PAIGC's 1973 unilateral declaration and eventually to Portugal's recognition.

2. 24 September 1973 · Declaration

   PAIGC unilaterally declares Guinea-Bissau's independence, 1973

   The PAIGC unilaterally declared the independence of Guinea-Bissau on 24 September 1973, while Portuguese forces still controlled parts of the territory and over a year before Portugal's own 1974 revolution.

   Significance here: A rare case of a liberation movement unilaterally declaring independence, and being welcomed by the UN General Assembly, before the colonial power itself recognised it.

3. 2 November 1973 · Declaration

   UN General Assembly welcomes Guinea-Bissau's independence, 1973

   Seven weeks after the PAIGC's declaration, the UN General Assembly welcomed Guinea-Bissau's accession to independence and condemned continued Portuguese military occupation of parts of the territory — a diplomatic recognition distinct from UN membership.

   Significance here: International recognition of Guinea-Bissau's statehood by the UN General Assembly before Portugal itself recognised it.

4. 26 August 1974 · Agreement

   Algiers Accord, 1974

   Portugal's post-revolutionary Junta of National Salvation and the PAIGC signed the Algiers Accord on 26 August 1974, setting the terms for Portugal's formal recognition of Guinea-Bissau's independence.

   Significance here: The negotiated basis for Portugal's recognition, following the Carnation Revolution.

5. 10 September 1974 · Declaration

   Portugal recognises Guinea-Bissau, 1974

   Following its April 1974 revolution, Portugal formally recognised the independence of Guinea-Bissau on 10 September 1974.

   Significance here: The recognition by the former colonial power that opened the way to UN membership.

6. 17 September 1974 · Recognition

   Admission of Guinea-Bissau to the United Nations, 1974

   Following the Security Council's unanimous recommendation, the General Assembly admitted the Republic of Guinea-Bissau as a member of the United Nations, at the same plenary meeting at which Bangladesh and Grenada were also admitted.

   Significance here: Formal UN membership, completing the process begun by the 1973 unilateral declaration.

Dates show their real precision. Approximate or uncertain dates are labelled and never converted into an exact day.