India's Annexation of Portuguese Goa

TL;DR

India seized Portuguese Goa in 36 hours in 1961 after decades of failed negotiations, ending 450 years of colonial rule.

Key Points

• 1.Portugal was the first and last European power in India. Admiral Afonso de Albuquerque seized Goa in 1510, and unlike France, Portugal under Salazar's authoritarian rule refused all negotiations for a peaceful transfer, insisting its Indian territories were part of Portugal proper.
• 2.India launched Operation Vijay with overwhelming force on December 17–19, 1961. India deployed roughly 45,000 troops across three theaters against only ~3,500 Portuguese defenders, supported by air strikes that destroyed Portuguese airstrips and a naval battle that forced the warship NRP Afonso de Albuquerque to surrender.
• 3.Portugal's Sentinel Plan was simply to delay, not win. Ordered by Salazar to fight to the last — 'victorious or dead' — Portuguese forces destroyed bridges and retreated, but by dusk on December 18 were surrounded; the ceasefire request came just 3 hours later.
• 4.Governor General Silva surrendered at 8:30 p.m. on December 19th, ending the operation in a total Indian victory. Only 50 soldiers total died; Silva himself was court-martialed, dishonorably discharged, and exiled for a decade upon returning to Portugal.
• 5.Portugal refused to recognize the loss until the 1974 Carnation Revolution. While the West, Pakistan, and even China criticized the annexation, India secured Soviet and post-colonial diplomatic backing; the new Portuguese democratic government finally recognized Indian sovereignty, normalizing relations.